Question: Cindy O'Callaghan played Carrie Rawlins in a 1971 British-American musical fantasy film that was based upon books by who?
{'answer': 'Mary Norton.', 'supporting_facts': [["Cindy O'Callaghan", 1], ['Bedknobs and Broomsticks', 0], ['Bedknobs and Broomsticks', 1]]}