claim: Robert Singer (producer) wrote for a tv show.
evidence: Robert Singer is an American television producer , director and writer .. television producer. television producer. director. television director. He is best known for his work on Supernatural where he serves as an executive producer , director and occasional writer .. director. television director. Supernatural. Supernatural ( U.S. TV series ). The character Bobby Singer was named after him .. Bobby Singer. Bobby Singer. A fictionalized version of Singer appears in the season 6 episode The French Mistake played by Brian Doyle-Murray .. season 6. Supernatural ( season 6 ). Brian Doyle-Murray. Brian Doyle-Murray. Singer also created the series Reasonable Doubts and has worked as a producer and director on various television series , including Lois & Clark  : The New Adventures of Superman .. director. television director. Reasonable Doubts. Reasonable Doubts. He also served as a producer for the film Cujo. Cujo. Cujo ( film )