Question:
Which employer did Ricardo Galvão work for in Feb, 1976?

Context:
 Ricardo Galvão works for University of Campinas from Feb, 1976 to Jun, 1978. 
 Ricardo Galvão works for University of São Paulo from Sep, 1983 to Sep, 1991. 
 Ricardo Galvão works for National Institute for Space Research from Jan, 2016 to Aug, 2019.

Answer:
Question:
Which employer did Ricardo Galvão work for in Feb, 1976?

Context:
 Ricardo Galvão works for University of Campinas from Feb, 1976 to Jun, 1978. 
 Ricardo Galvão works for University of São Paulo from Sep, 1983 to Sep, 1991. 
 Ricardo Galvão works for National Institute for Space Research from Jan, 2016 to Aug, 2019.

Answer:
user
University of Campinas
assistant
Question:
Which employer did Ricardo Galvão work for in Feb, 1976?

Context:
 Ricardo Galvão works for University of Campinas from Feb, 1976 to Jun, 1978. 
 Ricardo Galvão works for University of São Paulo from Sep, 1983 to Sep, 1991. 
 Ricardo Galvão works for National Institute for Space Research from Jan, 2016 to Aug, 2019.

Answer:
user
University of São Paulo
National Institute for Space Research
assistant
Question:
Which employer did Ricardo Galvão work for in Feb, 1976?

Context:
 Ricardo Galvão works for University of Campinas from Feb, 1976 to Jun, 1978. 
 Ricardo Galvão works for University of São Paulo from Sep, 1983 to Sep, 1991. 
 Ricardo Galvão works for National Institute for Space Research from Jan, 2016 to Aug, 2019.

Answer:
user
University of Campinas
assistant