Question: who is singing for the 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.'}]}, {'answer': 'Robert DeLeo', 'provenance': [{'wikipedia_id': '80864', 'title': 'Stone Temple Pilots', 'start_paragraph_id': 1, 'start_character': 192, 'end_paragraph_id': 1, 'end_character': 204, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]