Question:
Who was the chair of FIDE in Apr, 1937?

Context:
 Arkady Dvorkovich is the chair of FIDE from Jan, 2018 to Dec, 2022. 
 Folke Rogard is the chair of FIDE from Jan, 1949 to Jan, 1970. 
 Alexander Rueb is the chair of FIDE from Jan, 1924 to Jan, 1949. 
 Kirsan Ilyumzhinov is the chair of FIDE from Jan, 1995 to Jan, 2018. 
 Friðrik Ólafsson is the chair of FIDE from Jan, 1978 to Jan, 1982. 
 Florencio Campomanes is the chair of FIDE from Jan, 1982 to Jan, 1995. 
 Max Euwe is the chair of FIDE from Jan, 1970 to Jan, 1978.

Answer:
Question:
Who was the chair of FIDE in Apr, 1937?

Context:
 Arkady Dvorkovich is the chair of FIDE from Jan, 2018 to Dec, 2022. 
 Folke Rogard is the chair of FIDE from Jan, 1949 to Jan, 1970. 
 Alexander Rueb is the chair of FIDE from Jan, 1924 to Jan, 1949. 
 Kirsan Ilyumzhinov is the chair of FIDE from Jan, 1995 to Jan, 2018. 
 Friðrik Ólafsson is the chair of FIDE from Jan, 1978 to Jan, 1982. 
 Florencio Campomanes is the chair of FIDE from Jan, 1982 to Jan, 1995. 
 Max Euwe is the chair of FIDE from Jan, 1970 to Jan, 1978.

Answer:
user
Alexander Rueb
assistant
Question:
Who was the chair of FIDE in Apr, 1937?

Context:
 Arkady Dvorkovich is the chair of FIDE from Jan, 2018 to Dec, 2022. 
 Folke Rogard is the chair of FIDE from Jan, 1949 to Jan, 1970. 
 Alexander Rueb is the chair of FIDE from Jan, 1924 to Jan, 1949. 
 Kirsan Ilyumzhinov is the chair of FIDE from Jan, 1995 to Jan, 2018. 
 Friðrik Ólafsson is the chair of FIDE from Jan, 1978 to Jan, 1982. 
 Florencio Campomanes is the chair of FIDE from Jan, 1982 to Jan, 1995. 
 Max Euwe is the chair of FIDE from Jan, 1970 to Jan, 1978.

Answer:
user
Friðrik Ólafsson
Arkady Dvorkovich
Folke Rogard
Max Euwe
Kirsan Ilyumzhinov
Florencio Campomanes
assistant
Question:
Who was the chair of FIDE in Apr, 1937?

Context:
 Arkady Dvorkovich is the chair of FIDE from Jan, 2018 to Dec, 2022. 
 Folke Rogard is the chair of FIDE from Jan, 1949 to Jan, 1970. 
 Alexander Rueb is the chair of FIDE from Jan, 1924 to Jan, 1949. 
 Kirsan Ilyumzhinov is the chair of FIDE from Jan, 1995 to Jan, 2018. 
 Friðrik Ólafsson is the chair of FIDE from Jan, 1978 to Jan, 1982. 
 Florencio Campomanes is the chair of FIDE from Jan, 1982 to Jan, 1995. 
 Max Euwe is the chair of FIDE from Jan, 1970 to Jan, 1978.

Answer:
user
Alexander Rueb
assistant