Question: Where did the song santa claus is coming to town come from?
Answer: Eddie Cantor 's radio show
Disambiguated annotations:
qaPairs: question: Which show was the song santa claus is coming to town sung? 
answer:  Eddie Cantor's radio show
question: Who wrote the song santa claus is coming to town? 
answer:  J. Fred Coots and Haven Gillespie