Question:
Which employer did Roland Steinacher work for in Apr, 2017?

Context:
 Roland Steinacher works for Alexander von Humboldt Foundation from Jan, 2015 to Jan, 2016. 
 Roland Steinacher works for Stiftung Alfried Krupp Kolleg Greifswald from Jan, 2016 to Jan, 2017. 
 Roland Steinacher works for University of Tübingen from Jan, 2017 to Jan, 2018.

Answer:
Question:
Which employer did Roland Steinacher work for in Apr, 2017?

Context:
 Roland Steinacher works for Alexander von Humboldt Foundation from Jan, 2015 to Jan, 2016. 
 Roland Steinacher works for Stiftung Alfried Krupp Kolleg Greifswald from Jan, 2016 to Jan, 2017. 
 Roland Steinacher works for University of Tübingen from Jan, 2017 to Jan, 2018.

Answer:
user
University of Tübingen
assistant
Question:
Which employer did Roland Steinacher work for in Apr, 2017?

Context:
 Roland Steinacher works for Alexander von Humboldt Foundation from Jan, 2015 to Jan, 2016. 
 Roland Steinacher works for Stiftung Alfried Krupp Kolleg Greifswald from Jan, 2016 to Jan, 2017. 
 Roland Steinacher works for University of Tübingen from Jan, 2017 to Jan, 2018.

Answer:
user
Alexander von Humboldt Foundation
Stiftung Alfried Krupp Kolleg Greifswald
assistant
Question:
Which employer did Roland Steinacher work for in Apr, 2017?

Context:
 Roland Steinacher works for Alexander von Humboldt Foundation from Jan, 2015 to Jan, 2016. 
 Roland Steinacher works for Stiftung Alfried Krupp Kolleg Greifswald from Jan, 2016 to Jan, 2017. 
 Roland Steinacher works for University of Tübingen from Jan, 2017 to Jan, 2018.

Answer:
user
University of Tübingen
assistant