Task: Explanation
Input (English): John Donald MacAskill (25 November 1907 – July 25, 1994) was an educator, politician and municipal official in Saskatchewan, Canada. He served as mayor of Saskatoon, Saskatchewan from 1954 to 1958. Question: What is the name of the large city in the Canadian province of Saskatchewan, where J.D. McAskill served as mayor?  Answer: Saskatoon
Output (English): John Donald MacAskill 25 November 1907 – July 25, 1994 was an educator, politician and municipal official in Saskatchewan, Canada.