Question: who is the lead singer of bad wolves
[{'answer': 'Tommy Vext', 'provenance': [{'wikipedia_id': '56496714', 'title': 'Bad Wolves', 'start_paragraph_id': 4, 'start_character': 30, 'end_paragraph_id': 4, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::History.:Formation and "Disobey" (2017–2019).\n'}]}, {'provenance': [{'wikipedia_id': '56496714', 'title': 'Bad Wolves', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 36, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14542169742945336230}, 'section': 'Section::::Band members.\n'}]}]