Question:
Which employer did Walter H. Schottky work for in May, 1924?

Context:
 Walter H. Schottky works for University of Würzburg from Jan, 1919 to Jan, 1923. 
 Walter H. Schottky works for University of Rostock from Jan, 1923 to Jan, 1927. 
 Walter H. Schottky works for University of Jena from Jan, 1912 to Jan, 1914. 
 Walter H. Schottky works for Siemens from Jan, 1927 to Jan, 1958.

Answer:
Question:
Which employer did Walter H. Schottky work for in May, 1924?

Context:
 Walter H. Schottky works for University of Würzburg from Jan, 1919 to Jan, 1923. 
 Walter H. Schottky works for University of Rostock from Jan, 1923 to Jan, 1927. 
 Walter H. Schottky works for University of Jena from Jan, 1912 to Jan, 1914. 
 Walter H. Schottky works for Siemens from Jan, 1927 to Jan, 1958.

Answer:
user
University of Rostock
assistant
Question:
Which employer did Walter H. Schottky work for in May, 1924?

Context:
 Walter H. Schottky works for University of Würzburg from Jan, 1919 to Jan, 1923. 
 Walter H. Schottky works for University of Rostock from Jan, 1923 to Jan, 1927. 
 Walter H. Schottky works for University of Jena from Jan, 1912 to Jan, 1914. 
 Walter H. Schottky works for Siemens from Jan, 1927 to Jan, 1958.

Answer:
user
University of Jena
Siemens
University of Würzburg
assistant
Question:
Which employer did Walter H. Schottky work for in May, 1924?

Context:
 Walter H. Schottky works for University of Würzburg from Jan, 1919 to Jan, 1923. 
 Walter H. Schottky works for University of Rostock from Jan, 1923 to Jan, 1927. 
 Walter H. Schottky works for University of Jena from Jan, 1912 to Jan, 1914. 
 Walter H. Schottky works for Siemens from Jan, 1927 to Jan, 1958.

Answer:
user
University of Rostock
assistant