Question: what ingredients are in a philly cheese steak
[{'answer': 'Sliced steak'}, {'answer': 'cheese', 'provenance': [{'wikipedia_id': '355323', 'title': 'Cheesesteak', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'bread', 'provenance': [{'wikipedia_id': '355323', 'title': 'Cheesesteak', 'start_paragraph_id': 3, 'start_character': 123, 'end_paragraph_id': 3, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]