Question: What cartoonist nicknamed Sparky was responsible for a 29 year run on CBS?
Sentence (from "You're in the Super Bowl, Charlie Brown"): It first aired on January 18, 1994 on NBC, ending the "Peanuts" specials' 29-year association with CBS; it would also be the last new "Peanuts" special to air on television until "A Charlie Brown Valentine" in 2002.
Relevant evidence: Yes