Question: who sang the theme to the poseidon adventure
[{'answer': 'Maureen McGovern', 'provenance': [{'wikipedia_id': '2023376', 'title': 'The Morning After (Maureen McGovern song)', 'start_paragraph_id': 0, 'start_character': 19, 'end_paragraph_id': 0, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2023376', 'title': 'The Morning After (Maureen McGovern song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 487, 'bleu_score': 0.978138775770484, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2355771440078561953}, 'section': 'Section::::Abstract.'}]}]