Question: where did the oregon trail start in missouri
[{'answer': 'Independence , Missouri', 'provenance': [{'wikipedia_id': '31519031', 'title': 'Route of the Oregon Trail', 'start_paragraph_id': 9, 'start_character': 99, 'end_paragraph_id': 9, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Missouri.\n'}]}, {'answer': 'Kansas City ( Missouri )', 'provenance': [{'wikipedia_id': '31519031', 'title': 'Route of the Oregon Trail', 'start_paragraph_id': 3, 'start_character': 140, 'end_paragraph_id': 3, 'end_character': 163, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31519031', 'title': 'Route of the Oregon Trail', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 387, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 550722557054954453}, 'section': 'Section::::Abstract.'}]}]