Question: What was the career span of the actor who appeared in over 100 theater productions, music videos, movies and television shows, including the 1999 American Gothic supernatural horror film directed by Tim Burton?
{'answer': 'over 50 years', 'supporting_facts': [['Christopher Walken on stage and screen', 0], ['Christopher Walken on stage and screen', 1], ['Sleepy Hollow (film)', 0]]}