Question: avengers infinity war first release in which country
[{'answer': 'United States', 'provenance': [{'wikipedia_id': '44240443', 'title': 'Avengers: Infinity War', 'start_paragraph_id': 3, 'start_character': 107, 'end_paragraph_id': 3, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44240443', 'title': 'Avengers: Infinity War', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 553, 'bleu_score': 0.6314116977502691, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1878759434761282501}, 'section': 'Section::::Abstract.'}]}]