Question:
Which employer did Helen Brownson work for in Apr, 1942?

Context:
 Helen Brownson works for Committee on Medical Research from Jan, 1942 to Jan, 1947. 
 Helen Brownson works for National Science Foundation from Jan, 1951 to Jan, 1966. 
 Helen Brownson works for Special Committee on Technical Information from Jan, 1940 to Jan, 1951. 
 Helen Brownson works for Central Intelligence Agency from Jan, 1966 to Jun, 1970.

Answer:
Question:
Which employer did Helen Brownson work for in Apr, 1942?

Context:
 Helen Brownson works for Committee on Medical Research from Jan, 1942 to Jan, 1947. 
 Helen Brownson works for National Science Foundation from Jan, 1951 to Jan, 1966. 
 Helen Brownson works for Special Committee on Technical Information from Jan, 1940 to Jan, 1951. 
 Helen Brownson works for Central Intelligence Agency from Jan, 1966 to Jun, 1970.

Answer:
user
Committee on Medical Research
assistant
Question:
Which employer did Helen Brownson work for in Apr, 1942?

Context:
 Helen Brownson works for Committee on Medical Research from Jan, 1942 to Jan, 1947. 
 Helen Brownson works for National Science Foundation from Jan, 1951 to Jan, 1966. 
 Helen Brownson works for Special Committee on Technical Information from Jan, 1940 to Jan, 1951. 
 Helen Brownson works for Central Intelligence Agency from Jan, 1966 to Jun, 1970.

Answer:
user
National Science Foundation
Central Intelligence Agency
assistant
Question:
Which employer did Helen Brownson work for in Apr, 1942?

Context:
 Helen Brownson works for Committee on Medical Research from Jan, 1942 to Jan, 1947. 
 Helen Brownson works for National Science Foundation from Jan, 1951 to Jan, 1966. 
 Helen Brownson works for Special Committee on Technical Information from Jan, 1940 to Jan, 1951. 
 Helen Brownson works for Central Intelligence Agency from Jan, 1966 to Jun, 1970.

Answer:
user
Committee on Medical Research
assistant