instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
The Trinity test site, outside of Alamogordo, NM, saw the first test of the atomic bomb on July 16, 1945. Headed by J. Robert Oppenheimer, what was the name of the project that developed the bomb?
answer:
j. robert oppenheimer

question:
Chris Martin is the lead singer with which band who had several hits in the 2000s?
answer:
chris martin

question:
Which future Nobel Prize winner did Bill Clinton choose as his Vice President?
answer:
vice president of the united states