Question: Which American director has taught more University classes, Rachel Talalay or W. S. Van Dyke?
{'answer': 'Rachel Talalay', 'supporting_facts': [['Rachel Talalay', 0], ['Rachel Talalay', 1], ['W. S. Van Dyke', 0], ['W. S. Van Dyke', 1], ['W. S. Van Dyke', 2]]}