Question: when did the lions win the nfl championship
[{'answer': '1935', 'provenance': [{'wikipedia_id': '8577', 'title': 'Detroit Lions', 'start_paragraph_id': 6, 'start_character': 209, 'end_paragraph_id': 6, 'end_character': 213, 'bleu_score': 1.0, 'section': 'Section::::Logos and uniforms.\n'}]}, {'answer': '1952', 'provenance': [{'wikipedia_id': '8577', 'title': 'Detroit Lions', 'start_paragraph_id': 32, 'start_character': 72, 'end_paragraph_id': 32, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Divisions and division rivals.:NFL Western Division: 1933–1949.\n'}]}, {'answer': '1953', 'provenance': [{'wikipedia_id': '8577', 'title': 'Detroit Lions', 'start_paragraph_id': 21, 'start_character': 675, 'end_paragraph_id': 21, 'end_character': 679, 'bleu_score': 1.0, 'section': 'Section::::Divisions and division rivals.\n'}]}, {'answer': '1957', 'provenance': [{'wikipedia_id': '8577', 'title': 'Detroit Lions', 'start_paragraph_id': 3, 'start_character': 143, 'end_paragraph_id': 3, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]