Question: Focus is an American music producer who produced tracks for an American rapper, record producer, and actor, who was born in October of what year?
Sentence (from "Focus..."): Since then he has produced tracks for several prominent artists, including Dr. Dre, Eminem, Kendrick Lamar, Chris Alain, Snoop Dogg, Rick Ross, John Legend, The Game, Ice Cube, Busta Rhymes, Fabolous, 50 Cent, Schoolboy Q, Joe, Christina Aguilera, Jennifer Lopez, Beyoncé, Lil Wayne, Ameriie, Christina Millian, Mac Dre, Marsha Ambrosius among others.
Relevant evidence: Yes