Question: when is king arthur legend of the sword released
[{'answer': 'May 2017', 'provenance': [{'wikipedia_id': '43679538', 'title': 'King Arthur: Legend of the Sword', 'start_paragraph_id': 2, 'start_character': 56, 'end_paragraph_id': 2, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43679538', 'title': 'King Arthur: Legend of the Sword', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 317, 'bleu_score': 0.9196822664155291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5718402824846271426}, 'section': 'Section::::Abstract.'}]}]