Question: who was the first republican to be elected governor of texas in the 20th century
[{'answer': 'Bill Clements', 'provenance': [{'wikipedia_id': '70530', 'title': 'List of governors of Texas', 'start_paragraph_id': 19, 'start_character': 329, 'end_paragraph_id': 19, 'end_character': 342, 'bleu_score': 1.0, 'section': 'Section::::Gubernatorial trivia.:Background.\n'}]}]