Question: Who co-wrote a song with an American singer, produces and politician with a wife named Cher?
Sentence (from "Sonny Bono"): Salvatore Phillip "Sonny" Bono ( ; February 16, 1935 – January 5, 1998) was an American singer, producer, and politician who came to fame in partnership with his second wife Cher, as the popular singing duo Sonny & Cher.
Relevant evidence: Yes