Question: what is the color of the philadelphia eagles
[{'answer': 'Midnight green', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 65, 'start_character': 87, 'end_paragraph_id': 65, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.:Ray Rhodes era (1995-1998).\n'}]}, {'answer': 'Silver', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 102, 'start_character': 171, 'end_paragraph_id': 102, 'end_character': 177, 'bleu_score': 1.0, 'section': 'Section::::Logo and uniforms.\n'}]}, {'answer': 'Black', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 67, 'start_character': 1039, 'end_paragraph_id': 67, 'end_character': 1044, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.:Andy Reid era (1999–2012).\n'}]}, {'answer': 'White', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 2, 'start_character': 239, 'end_paragraph_id': 2, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]