Question: who is running for texas senate in 2018
[{'answer': 'Ted Cruz', 'provenance': [{'wikipedia_id': '51043442', 'title': '2018 United States Senate election in Texas', 'start_paragraph_id': 1, 'start_character': 236, 'end_paragraph_id': 1, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Stefano de Stefano', 'provenance': [{'wikipedia_id': '51043442', 'title': '2018 United States Senate election in Texas', 'start_paragraph_id': 14, 'start_character': 12, 'end_paragraph_id': 14, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Republican primary.:Candidates.:Eliminated in primary.\n'}]}, {'answer': 'Thomas Dillingham', 'provenance': [{'wikipedia_id': '51043442', 'title': '2018 United States Senate election in Texas', 'start_paragraph_id': 18, 'start_character': 12, 'end_paragraph_id': 18, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Republican primary.:Candidates.:Failed to qualify.\n'}]}, {'answer': 'Mary Miller', 'provenance': [{'wikipedia_id': '51043442', 'title': '2018 United States Senate election in Texas', 'start_paragraph_id': 15, 'start_character': 12, 'end_paragraph_id': 15, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Republican primary.:Candidates.:Eliminated in primary.\n'}]}, {'answer': 'Geraldine Sam', 'provenance': [{'wikipedia_id': '51043442', 'title': '2018 United States Senate election in Texas', 'start_paragraph_id': 16, 'start_character': 12, 'end_paragraph_id': 16, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Republican primary.:Candidates.:Eliminated in primary.\n'}]}, {'answer': 'Bruce Jacobson', 'provenance': [{'wikipedia_id': '51043442', 'title': '2018 United States Senate election in Texas', 'start_paragraph_id': 13, 'start_character': 12, 'end_paragraph_id': 13, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Republican primary.:Candidates.:Eliminated in primary.\n'}]}]