Question: how old do you have to be to buy a handgun in iowa
[{'answer': '21 or older .', 'provenance': [{'wikipedia_id': '34010468', 'title': 'Gun laws in Iowa', 'start_paragraph_id': 5, 'start_character': 270, 'end_paragraph_id': 5, 'end_character': 286, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34010468', 'title': 'Gun laws in Iowa', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 555, 'bleu_score': 0.9421819794383921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2192012165895704540}, 'section': 'Section::::Abstract.'}]}]