Question: when is dunkirk coming out in the us
[{'answer': '21 July', 'provenance': [{'wikipedia_id': '48936686', 'title': 'Dunkirk (2017 film)', 'start_paragraph_id': 3, 'start_character': 136, 'end_paragraph_id': 3, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48936686', 'title': 'Dunkirk (2017 film)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 443, 'bleu_score': 0.5526348517620501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15464463874824551800}, 'section': 'Section::::Abstract.'}]}]