Question: Who was born September 5, 1946 and was the father of the American singer-songwriter Lucy Wainwright Roche?
Sentence (from "Lucy Wainwright Roche"): Lucy Wainwright Roche (born December 16, 1981) is an American singer-songwriter, and the daughter of musicians Loudon Wainwright III and Suzzy Roche.
Relevant evidence: Yes