Question: where did the great western cattle trail begin and end
[{'answer': 'Southern Texas', 'provenance': [{'wikipedia_id': '6695593', 'title': 'Great Western Cattle Trail', 'start_paragraph_id': 4, 'start_character': 143, 'end_paragraph_id': 4, 'end_character': 157, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Deadwood , South Dakota', 'provenance': [{'wikipedia_id': '6695593', 'title': 'Great Western Cattle Trail', 'start_paragraph_id': 4, 'start_character': 576, 'end_paragraph_id': 4, 'end_character': 601, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '6695593', 'title': 'Great Western Cattle Trail', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 749, 'bleu_score': 0.5009388178142631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17842574886768416256}, 'section': 'Section::::History.\n'}]}]