Question: when was the football hall of fame built
[{'answer': '1963', 'provenance': [{'wikipedia_id': '272590', 'title': 'Pro Football Hall of Fame', 'start_paragraph_id': 1, 'start_character': 121, 'end_paragraph_id': 1, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]