Question: when does the steelers play their first game
[{'answer': 'September 20 , 1933', 'provenance': [{'wikipedia_id': '23338', 'title': 'Pittsburgh Steelers', 'start_paragraph_id': 5, 'start_character': 88, 'end_paragraph_id': 5, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.\n'}]}, {'provenance': [{'wikipedia_id': '23338', 'title': 'Pittsburgh Steelers', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 585, 'bleu_score': 0.8995254298368741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1432886467434761036}, 'section': 'Section::::Franchise history.\n'}]}]