Question: who sang lead vocals on never been to spain
[{'answer': 'Cory Wells', 'provenance': [{'wikipedia_id': '24955913', 'title': 'Never Been to Spain', 'start_paragraph_id': 1, 'start_character': 164, 'end_paragraph_id': 1, 'end_character': 174, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24955913', 'title': 'Never Been to Spain', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 0.540885955786931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16641032922113277837}, 'section': 'Section::::Abstract.'}]}]