Question: who acted in the original star is born
[{'answer': 'Janet Gaynor', 'provenance': [{'wikipedia_id': '3450583', 'title': 'A Star Is Born (1976 film)', 'start_paragraph_id': 2, 'start_character': 57, 'end_paragraph_id': 2, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Fredric March', 'provenance': [{'wikipedia_id': '3450583', 'title': 'A Star Is Born (1976 film)', 'start_paragraph_id': 2, 'start_character': 74, 'end_paragraph_id': 2, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3450583', 'title': 'A Star Is Born (1976 film)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 250, 'bleu_score': 0.9000283069718911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5827705626083569960}, 'section': 'Section::::Abstract.'}]}]