Question: who played helen lawson in valley of the dolls
[{'answer': 'Susan Hayward', 'provenance': [{'wikipedia_id': '11612413', 'title': 'Valley of the Dolls (film)', 'start_paragraph_id': 1, 'start_character': 172, 'end_paragraph_id': 1, 'end_character': 185, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11612413', 'title': 'Valley of the Dolls (film)', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 41, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13391485878869180419}, 'section': 'Section::::Cast.\n'}]}]