question: Where do the Feynman Lectures on Physics pull information from ?
answer: compiled from lectures to Caltech undergraduates in 1961 -- 64
turker_answer: The Feynman Lectures on Physics pull information from compiled from lectures to Caltech undergraduates in 1961 -- 64 .
rule-based: The Feynman Lectures on Physics pull information from compiled from lectures to Caltech undergraduates in 1961 -- 64 .