Question:
Which employer did Martin Haspelmath work for in Sep, 1999?

Context:
 Martin Haspelmath works for Leipzig University from Nov, 2015 to Dec, 2022. 
 Martin Haspelmath works for Freie Universität Berlin from Mar, 1990 to Aug, 1996. 
 Martin Haspelmath works for Max Planck Institute for the Science of Human History from Jun, 2015 to Dec, 2022. 
 Martin Haspelmath works for Max Planck Institute for Evolutionary Anthropology from Sep, 1998 to May, 2015.

Answer:
Question:
Which employer did Martin Haspelmath work for in Sep, 1999?

Context:
 Martin Haspelmath works for Leipzig University from Nov, 2015 to Dec, 2022. 
 Martin Haspelmath works for Freie Universität Berlin from Mar, 1990 to Aug, 1996. 
 Martin Haspelmath works for Max Planck Institute for the Science of Human History from Jun, 2015 to Dec, 2022. 
 Martin Haspelmath works for Max Planck Institute for Evolutionary Anthropology from Sep, 1998 to May, 2015.

Answer:
user
Max Planck Institute for Evolutionary Anthropology
assistant
Question:
Which employer did Martin Haspelmath work for in Sep, 1999?

Context:
 Martin Haspelmath works for Leipzig University from Nov, 2015 to Dec, 2022. 
 Martin Haspelmath works for Freie Universität Berlin from Mar, 1990 to Aug, 1996. 
 Martin Haspelmath works for Max Planck Institute for the Science of Human History from Jun, 2015 to Dec, 2022. 
 Martin Haspelmath works for Max Planck Institute for Evolutionary Anthropology from Sep, 1998 to May, 2015.

Answer:
user
Freie Universität Berlin
Leipzig University
Max Planck Institute for the Science of Human History
assistant
Question:
Which employer did Martin Haspelmath work for in Sep, 1999?

Context:
 Martin Haspelmath works for Leipzig University from Nov, 2015 to Dec, 2022. 
 Martin Haspelmath works for Freie Universität Berlin from Mar, 1990 to Aug, 1996. 
 Martin Haspelmath works for Max Planck Institute for the Science of Human History from Jun, 2015 to Dec, 2022. 
 Martin Haspelmath works for Max Planck Institute for Evolutionary Anthropology from Sep, 1998 to May, 2015.

Answer:
user
Max Planck Institute for Evolutionary Anthropology
assistant