Question: where did tour de france start in 2017
[{'answer': 'Düsseldorf , Germany', 'provenance': [{'wikipedia_id': '49098974', 'title': '2017 Tour de France', 'start_paragraph_id': 5, 'start_character': 809, 'end_paragraph_id': 5, 'end_character': 829, 'bleu_score': 1.0, 'section': 'Section::::Teams.\n'}]}, {'provenance': [{'wikipedia_id': '49098974', 'title': '2017 Tour de France', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 498, 'bleu_score': 0.6640118135621891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4140088565451541325}, 'section': 'Section::::Abstract.'}]}]