Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
Q: The songs 'Too darn hot and True love come from which Cole Porter musical which was filmed in 1956 starring Bing Crosby and Grace Kelly?
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
true love