Question: What is the birthday of the left-handed hitter who hit 28 home runs for the Los Angeles Dodgers in 1991?
Sentence (from "1991 Los Angeles Dodgers season"): On the debit side, the Dodgers became the first franchise to be on the receiving end of three perfect games when Dennis Martínez prevented any of their batters from reaching base on July 28.
Relevant evidence: No