Question: who's the lead singer of stone temple pilots
[{'answer': 'Jeff Gutt', 'provenance': [{'wikipedia_id': '80864', 'title': 'Stone Temple Pilots', 'start_paragraph_id': 1, 'start_character': 695, 'end_paragraph_id': 1, 'end_character': 704, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '80864', 'title': 'Stone Temple Pilots', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 760, 'bleu_score': 0.721010056211396, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4603753628076832535}, 'section': 'Section::::Abstract.'}]}]