Question:
Which employer did Ludwig Bieberbach work for in Nov, 1913?

Context:
 Ludwig Bieberbach works for Humboldt University of Berlin from Jan, 1921 to Jan, 1945. 
 Ludwig Bieberbach works for Goethe University Frankfurt from Jan, 1914 to Jan, 1921. 
 Ludwig Bieberbach works for University of Basel from Jan, 1913 to Jan, 1914. 
 Ludwig Bieberbach works for University of Königsberg from Jan, 1910 to Jan, 1913.

Answer:
Question:
Which employer did Ludwig Bieberbach work for in Nov, 1913?

Context:
 Ludwig Bieberbach works for Humboldt University of Berlin from Jan, 1921 to Jan, 1945. 
 Ludwig Bieberbach works for Goethe University Frankfurt from Jan, 1914 to Jan, 1921. 
 Ludwig Bieberbach works for University of Basel from Jan, 1913 to Jan, 1914. 
 Ludwig Bieberbach works for University of Königsberg from Jan, 1910 to Jan, 1913.

Answer:
user
University of Basel
assistant
Question:
Which employer did Ludwig Bieberbach work for in Nov, 1913?

Context:
 Ludwig Bieberbach works for Humboldt University of Berlin from Jan, 1921 to Jan, 1945. 
 Ludwig Bieberbach works for Goethe University Frankfurt from Jan, 1914 to Jan, 1921. 
 Ludwig Bieberbach works for University of Basel from Jan, 1913 to Jan, 1914. 
 Ludwig Bieberbach works for University of Königsberg from Jan, 1910 to Jan, 1913.

Answer:
user
University of Königsberg
Humboldt University of Berlin
Goethe University Frankfurt
assistant
Question:
Which employer did Ludwig Bieberbach work for in Nov, 1913?

Context:
 Ludwig Bieberbach works for Humboldt University of Berlin from Jan, 1921 to Jan, 1945. 
 Ludwig Bieberbach works for Goethe University Frankfurt from Jan, 1914 to Jan, 1921. 
 Ludwig Bieberbach works for University of Basel from Jan, 1913 to Jan, 1914. 
 Ludwig Bieberbach works for University of Königsberg from Jan, 1910 to Jan, 1913.

Answer:
user
University of Basel
assistant