[Q]: Sentence: In June, 1998 Sammy Sosa exploded into the pursuit of Roger Maris' home run record. Question: When did Sammy Sosa explode into pursuit of Roger Maris' home run record?
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[A]: yes

[Q]: Sentence: Washington University's sports teams are called the Bears. Question: In what years did the Washington University men's basketball teams win division championships?
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[A]: no

[Q]: Sentence: When the Spanish conquistador Hernan Cortes and his soldiers conquered the Aztec Empire in 1519-1521, they discovered slowly that the Aztecs had another treasure beside silver and gold; they had the tiny cochineal, a parasitic scale insect which lived on cactus plants, which, when dried and crushed, made a magnificent red. Question: Which conquistador from Spain conquered the Aztec Empire?
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[A]:
yes