Question: where are the headwaters for the guadalupe river
[{'answer': 'Kerr County , Texas', 'provenance': [{'wikipedia_id': '1484086', 'title': 'Guadalupe River (Texas)', 'start_paragraph_id': 1, 'start_character': 30, 'end_paragraph_id': 1, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1484086', 'title': 'Guadalupe River (Texas)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 377, 'bleu_score': 0.9679895851501501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10167947772156942743}, 'section': 'Section::::Abstract.'}]}]