In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: NICE "he did" billboard honoring Leonard Nimoy. Fellow nerds will understand the message. (via @imgur) #LLAP #Spock J.W. Cannon (@cannonjw) March 2, 2015 Answer: leonard nimoy
who is the nerd hero who played spock?