Question: who acted as harley quinn in suicide squad
[{'answer': 'Margot Robbie', 'provenance': [{'wikipedia_id': '43884887', 'title': 'Suicide Squad (film)', 'start_paragraph_id': 1, 'start_character': 305, 'end_paragraph_id': 1, 'end_character': 318, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43884887', 'title': 'Suicide Squad (film)', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 59, 'bleu_score': 0.570674577705599, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16522227005095258016}, 'section': 'Section::::Cast.\n'}]}]