Question: who played eliza doolittle in my fair lady on broadway
[{'answer': 'Julie Andrews', 'provenance': [{'wikipedia_id': '19027', 'title': 'My Fair Lady', 'start_paragraph_id': 1, 'start_character': 364, 'end_paragraph_id': 1, 'end_character': 377, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]