instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
What entertainment mega-corp recently announced they were acquiring Marvel Entertainment, home of Spiderman and the Incredible Hulk, among others, to the tune of $4 billion?
answer:
the walt disney company


question:
Derived from the Greek word meaning perimeter, what is the text form of the sixteenth letter of the Greek alphabet?
answer:
pi


question:
Who became US President John Kennedy's Vice President in 1961?
answer:

lyndon b. johnson