Question: What movie, filmed by Jeremiah S. Chechik, did John Mark Galecki appear in in 1989?
Sentence (from "Johnny Galecki"): He is known for playing David Healy in the ABC sitcom "Roseanne" from 1992 to 1997 and Dr. Leonard Hofstadter in the CBS sitcom "The Big Bang Theory" since 2007.
Relevant evidence: No