Question:
Which employer did Joseph E. Stiglitz work for in Sep, 1977?

Context:
 Joseph E. Stiglitz works for University of Oxford from Jan, 1976 to Jan, 1979. 
 Joseph E. Stiglitz works for Princeton University from Jan, 1979 to Jan, 1988. 
 Joseph E. Stiglitz works for Yale University from Jan, 1970 to Jan, 1974. 
 Joseph E. Stiglitz works for World Bank from Jan, 1997 to Jan, 2000.

Answer:
Question:
Which employer did Joseph E. Stiglitz work for in Sep, 1977?

Context:
 Joseph E. Stiglitz works for University of Oxford from Jan, 1976 to Jan, 1979. 
 Joseph E. Stiglitz works for Princeton University from Jan, 1979 to Jan, 1988. 
 Joseph E. Stiglitz works for Yale University from Jan, 1970 to Jan, 1974. 
 Joseph E. Stiglitz works for World Bank from Jan, 1997 to Jan, 2000.

Answer:
user
University of Oxford
assistant
Question:
Which employer did Joseph E. Stiglitz work for in Sep, 1977?

Context:
 Joseph E. Stiglitz works for University of Oxford from Jan, 1976 to Jan, 1979. 
 Joseph E. Stiglitz works for Princeton University from Jan, 1979 to Jan, 1988. 
 Joseph E. Stiglitz works for Yale University from Jan, 1970 to Jan, 1974. 
 Joseph E. Stiglitz works for World Bank from Jan, 1997 to Jan, 2000.

Answer:
user
World Bank
Yale University
Princeton University
assistant
Question:
Which employer did Joseph E. Stiglitz work for in Sep, 1977?

Context:
 Joseph E. Stiglitz works for University of Oxford from Jan, 1976 to Jan, 1979. 
 Joseph E. Stiglitz works for Princeton University from Jan, 1979 to Jan, 1988. 
 Joseph E. Stiglitz works for Yale University from Jan, 1970 to Jan, 1974. 
 Joseph E. Stiglitz works for World Bank from Jan, 1997 to Jan, 2000.

Answer:
user
University of Oxford
assistant