Question:
Who was the chair of Massachusetts Institute of Technology School of Engineering in Oct, 1998?

Context:
 Thomas Kilgore Sherwood is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1946 to Jan, 1952. 
 Thomas L. Magnanti is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1999 to Jan, 2007. 
 Robert Seamans is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1978 to Jan, 1981. 
 Vannevar Bush is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1932 to Jan, 1938. 
 Ian Waitz is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2011 to Jan, 2017. 
 Anantha P. Chandrakasan is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2017 to Dec, 2022. 
 Joel Moses is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1991 to Jan, 1995. 
 Robert A. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1996 to Jan, 1999. 
 Gordon S. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1959 to Jan, 1968. 
 Subra Suresh is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2007 to Jan, 2010.

Answer:
Question:
Who was the chair of Massachusetts Institute of Technology School of Engineering in Oct, 1998?

Context:
 Thomas Kilgore Sherwood is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1946 to Jan, 1952. 
 Thomas L. Magnanti is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1999 to Jan, 2007. 
 Robert Seamans is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1978 to Jan, 1981. 
 Vannevar Bush is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1932 to Jan, 1938. 
 Ian Waitz is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2011 to Jan, 2017. 
 Anantha P. Chandrakasan is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2017 to Dec, 2022. 
 Joel Moses is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1991 to Jan, 1995. 
 Robert A. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1996 to Jan, 1999. 
 Gordon S. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1959 to Jan, 1968. 
 Subra Suresh is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2007 to Jan, 2010.

Answer:
user
Robert A. Brown
assistant
Question:
Who was the chair of Massachusetts Institute of Technology School of Engineering in Oct, 1998?

Context:
 Thomas Kilgore Sherwood is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1946 to Jan, 1952. 
 Thomas L. Magnanti is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1999 to Jan, 2007. 
 Robert Seamans is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1978 to Jan, 1981. 
 Vannevar Bush is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1932 to Jan, 1938. 
 Ian Waitz is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2011 to Jan, 2017. 
 Anantha P. Chandrakasan is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2017 to Dec, 2022. 
 Joel Moses is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1991 to Jan, 1995. 
 Robert A. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1996 to Jan, 1999. 
 Gordon S. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1959 to Jan, 1968. 
 Subra Suresh is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2007 to Jan, 2010.

Answer:
user
Robert Seamans
Thomas L. Magnanti
Ian Waitz
Joel Moses
Thomas Kilgore Sherwood
Vannevar Bush
Gordon S. Brown
Subra Suresh
Anantha P. Chandrakasan
assistant
Question:
Who was the chair of Massachusetts Institute of Technology School of Engineering in Oct, 1998?

Context:
 Thomas Kilgore Sherwood is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1946 to Jan, 1952. 
 Thomas L. Magnanti is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1999 to Jan, 2007. 
 Robert Seamans is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1978 to Jan, 1981. 
 Vannevar Bush is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1932 to Jan, 1938. 
 Ian Waitz is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2011 to Jan, 2017. 
 Anantha P. Chandrakasan is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2017 to Dec, 2022. 
 Joel Moses is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1991 to Jan, 1995. 
 Robert A. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1996 to Jan, 1999. 
 Gordon S. Brown is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 1959 to Jan, 1968. 
 Subra Suresh is the chair of Massachusetts Institute of Technology School of Engineering from Jan, 2007 to Jan, 2010.

Answer:
user
Robert A. Brown
assistant