Question: Still Da Baddest is the fourth studio album by American rapper Trina, following the poor chart performance, "I Got a Thang for You" featuring which American singer/songwriter, record producer, business woman, and television personality, and was born in Oakland, California?
Sentence (from "Keyshia Cole"): Keyshia Cole (born October 15, 1981) is an American singer/songwriter, record producer, business woman, and television personality.
Relevant evidence: Yes