Question: when is infinity war going to be released
[{'answer': 'April 27 , 2018', 'provenance': [{'wikipedia_id': '44240443', 'title': 'Avengers: Infinity War', 'start_paragraph_id': 57, 'start_character': 262, 'end_paragraph_id': 57, 'end_character': 277, 'bleu_score': 1.0, 'section': 'Section::::Release.:Theatrical.\n'}]}, {'provenance': [{'wikipedia_id': '44240443', 'title': 'Avengers: Infinity War', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 159, 'bleu_score': 0.500312346385976, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4781841348776869759}, 'section': 'Section::::Abstract.'}]}]