Question: Which novelist wrote more film scripts, James Dalton Trumbo or Philippa Gregory?
Sentence (from "Dalton Trumbo"): James Dalton Trumbo (December 9, 1905 – September 10, 1976) was an American screenwriter and novelist, who scripted films including "Roman Holiday", "Exodus", "Spartacus", and "Thirty Seconds Over Tokyo".
Relevant evidence: Yes