Question: who is credited with performing the first heavier-than-air flight
[{'answer': 'The Wright brothers', 'provenance': [{'wikipedia_id': '58410', 'title': 'Wright brothers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '58410', 'title': 'Wright brothers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 708, 'bleu_score': 0.84049878234605, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8724721177233058789}, 'section': 'Section::::Abstract.'}]}]