Question: who sang never gonna let you go
[{'answer': 'Joe Pizzulo and Leeza Miller', 'provenance': [{'wikipedia_id': '19219663', 'title': 'Never Gonna Let You Go (Sérgio Mendes song)', 'start_paragraph_id': 1, 'start_character': 125, 'end_paragraph_id': 1, 'end_character': 153, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Joe Pizzulo', 'provenance': [{'wikipedia_id': '19219663', 'title': 'Never Gonna Let You Go (Sérgio Mendes song)', 'start_paragraph_id': 1, 'start_character': 125, 'end_paragraph_id': 1, 'end_character': 136, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Leeza Miller', 'provenance': [{'wikipedia_id': '19219663', 'title': 'Never Gonna Let You Go (Sérgio Mendes song)', 'start_paragraph_id': 1, 'start_character': 141, 'end_paragraph_id': 1, 'end_character': 153, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19219663', 'title': 'Never Gonna Let You Go (Sérgio Mendes song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13348385380427768919}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19219663', 'title': 'Never Gonna Let You Go (Sérgio Mendes song)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13348385380427768919}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19219663', 'title': 'Never Gonna Let You Go (Sérgio Mendes song)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Mendes and sung by Joe Pizzulo and Leeza Miller. Songwriters Cynthia Weil (lyrics) and Barry Mann', 'Never Gonna Let You Go" is a popular song from 1983 credited to Brazilian musician and bandleader Sérgio Mendes and sung by Joe Pizzulo and Leeza Miller.']}}]}, {'provenance': [{'wikipedia_id': '7196002', 'title': 'Joe Pizzulo', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Joe Pizzulo is an American vocalist best known as one of the lead singers on 1980s hit singles credited to Sérgio Mendes, including "Never Gonna Let You Go" (from Mendes\' self-titled 1983 album) and "Alibis" (from the 1984 album "Confetti").', 'Joe Pizzulo is an American vocalist best known as one of the lead singers on 1980s hit singles credited to Sérgio Mendes, including "Never Gonna Let You Go"']}}]}]