Question:
Which employer did Alexander Weinstein work for in Feb, 1957?

Context:
 Alexander Weinstein works for Georgetown University from Jan, 1968 to Jan, 1972. 
 Alexander Weinstein works for American University from Jan, 1967 to Jan, 1968. 
 Alexander Weinstein works for Collège de France from Jan, 1934 to Jan, 1937. 
 Alexander Weinstein works for Leipzig University from Jan, 1922 to Jan, 1923. 
 Alexander Weinstein works for University of Hamburg from Jan, 1928 to Jan, 1933. 
 Alexander Weinstein works for University of Maryland from Jan, 1948 to Jan, 1967. 
 Alexander Weinstein works for University of Wrocław from Jan, 1933 to Jan, 1934. 
 Alexander Weinstein works for Sapienza University of Rome from Jan, 1926 to Jan, 1928.

Answer:
Question:
Which employer did Alexander Weinstein work for in Feb, 1957?

Context:
 Alexander Weinstein works for Georgetown University from Jan, 1968 to Jan, 1972. 
 Alexander Weinstein works for American University from Jan, 1967 to Jan, 1968. 
 Alexander Weinstein works for Collège de France from Jan, 1934 to Jan, 1937. 
 Alexander Weinstein works for Leipzig University from Jan, 1922 to Jan, 1923. 
 Alexander Weinstein works for University of Hamburg from Jan, 1928 to Jan, 1933. 
 Alexander Weinstein works for University of Maryland from Jan, 1948 to Jan, 1967. 
 Alexander Weinstein works for University of Wrocław from Jan, 1933 to Jan, 1934. 
 Alexander Weinstein works for Sapienza University of Rome from Jan, 1926 to Jan, 1928.

Answer:
user
University of Maryland
assistant
Question:
Which employer did Alexander Weinstein work for in Feb, 1957?

Context:
 Alexander Weinstein works for Georgetown University from Jan, 1968 to Jan, 1972. 
 Alexander Weinstein works for American University from Jan, 1967 to Jan, 1968. 
 Alexander Weinstein works for Collège de France from Jan, 1934 to Jan, 1937. 
 Alexander Weinstein works for Leipzig University from Jan, 1922 to Jan, 1923. 
 Alexander Weinstein works for University of Hamburg from Jan, 1928 to Jan, 1933. 
 Alexander Weinstein works for University of Maryland from Jan, 1948 to Jan, 1967. 
 Alexander Weinstein works for University of Wrocław from Jan, 1933 to Jan, 1934. 
 Alexander Weinstein works for Sapienza University of Rome from Jan, 1926 to Jan, 1928.

Answer:
user
Georgetown University
American University
University of Hamburg
University of Wrocław
Sapienza University of Rome
Leipzig University
Collège de France
assistant
Question:
Which employer did Alexander Weinstein work for in Feb, 1957?

Context:
 Alexander Weinstein works for Georgetown University from Jan, 1968 to Jan, 1972. 
 Alexander Weinstein works for American University from Jan, 1967 to Jan, 1968. 
 Alexander Weinstein works for Collège de France from Jan, 1934 to Jan, 1937. 
 Alexander Weinstein works for Leipzig University from Jan, 1922 to Jan, 1923. 
 Alexander Weinstein works for University of Hamburg from Jan, 1928 to Jan, 1933. 
 Alexander Weinstein works for University of Maryland from Jan, 1948 to Jan, 1967. 
 Alexander Weinstein works for University of Wrocław from Jan, 1933 to Jan, 1934. 
 Alexander Weinstein works for Sapienza University of Rome from Jan, 1926 to Jan, 1928.

Answer:
user
University of Maryland
assistant