Question: who is running for democratic governor of texas
[{'answer': 'Lupe Valdez', 'provenance': [{'wikipedia_id': '51066212', 'title': '2018 Texas gubernatorial election', 'start_paragraph_id': 1, 'start_character': 395, 'end_paragraph_id': 1, 'end_character': 406, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]