Question: when was the pro football hall of fame built
[{'answer': '1962', 'provenance': [{'wikipedia_id': '272590', 'title': 'Pro Football Hall of Fame', 'start_paragraph_id': 4, 'start_character': 425, 'end_paragraph_id': 4, 'end_character': 429, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '272590', 'title': 'Pro Football Hall of Fame', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 500, 'bleu_score': 0.9068422060341681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16520964184744213017}, 'section': 'Section::::History.\n'}]}]