Question: On what CBS sitcom did the By the Book producer appear? 
Sentence (from "Johnny Galecki"): Galecki also appeared in the films "National Lampoon's Christmas Vacation" (1989), "Prancer" (1989), "Suicide Kings" (1997), "I Know What You Did Last Summer" (1997), "Bookies" (2003), and "In Time" (2011).
Relevant evidence: No