Question: what is the minimum age for president of united states
[{'answer': '35', 'provenance': [{'wikipedia_id': '1239941', 'title': 'Age of candidacy', 'start_paragraph_id': 9, 'start_character': 323, 'end_paragraph_id': 9, 'end_character': 325, 'bleu_score': 1.0, 'section': 'Section::::Controversies.\n'}]}, {'provenance': [{'wikipedia_id': '1239941', 'title': 'Age of candidacy', 'start_paragraph_id': 117, 'start_character': 31, 'end_paragraph_id': 117, 'end_character': 435, 'bleu_score': 0.750262534668906, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2971855437720228102}, 'section': 'Section::::In various countries.:United States.\n'}]}]