question: In which year did the CFL begin requiring teams to attempt 2-point conversions after scoring in a tie-breaking situation ?
answer: 2010
turker_answer: In 2010 , the CFL began requiring teams to attempt 2-point conversions after scoring in a tie-breaking situation .
rule-based: The CFL began requiring teams to attempt 2-point conversions after scoring in a tie-breaking situation in 2010 .