Question: who was the main actress in the shape of water
[{'answer': 'Sally Hawkins', 'provenance': [{'wikipedia_id': '49834236', 'title': 'The Shape of Water', 'start_paragraph_id': 1, 'start_character': 149, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49834236', 'title': 'The Shape of Water', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 422, 'bleu_score': 0.873587946354452, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 410956284193235375}, 'section': 'Section::::Abstract.'}]}]