question: When did Lehman 's former CEO appear before Representative Henry A. Waxman ?
answer: Oct. 6 , 2008
turker_answer: Lehman 's former CEO appeared before Representative Henry A. Waxman October 6 , 2008 .
rule-based: Lehman 's former CEO appeared before Representative Henry A. Waxman in Oct. 6 , 2008 .