Question: Who, born in 1982, was the main card for the fourth mixed martial arts event "Strikeforce: Triple Threat"?
Sentence (from "UFC 146"): UFC 146: dos Santos vs. Mir was a mixed martial arts (MMA) pay-per-view event (PPV) promoted by the Ultimate Fighting Championship (UFC) on May 26, 2012 at the MGM Grand Garden Arena in Las Vegas, Nevada.
Relevant evidence: No