Question: Who produced the eighth and final instalment in the 'Harry Potter' film series written by Steve Kloves and which starred the stage actress Helena Barlow as Rose Weasley?
{'answer': 'David Heyman', 'supporting_facts': [['Helena Barlow', 0], ['Harry Potter and the Deathly Hallows – Part 2', 0], ['Harry Potter and the Deathly Hallows – Part 2', 3]]}