Question: who is the university of texas football coach
[{'answer': 'Tom Herman', 'provenance': [{'wikipedia_id': '25375999', 'title': 'List of Texas Longhorns head football coaches', 'start_paragraph_id': 1, 'start_character': 813, 'end_paragraph_id': 1, 'end_character': 823, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]