Question: who sang original i want a hippopotamus for christmas
[{'answer': 'Gayla Peevey', 'provenance': [{'wikipedia_id': '8429126', 'title': 'I Want a Hippopotamus for Christmas', 'start_paragraph_id': 1, 'start_character': 115, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8429126', 'title': 'I Want a Hippopotamus for Christmas', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 245, 'bleu_score': 0.8780099567239781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7614462154944209793}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8429126', 'title': 'I Want a Hippopotamus for Christmas', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['"I Want a Hippopotamus for Christmas" is a Christmas novelty song written by John Rox (19021957) and performed by Gayla Peevey', '"I Want a Hippopotamus for Christmas" is a Christmas novelty song written by John Rox (19021957) and performed by Gayla Peevey']}}]}, {'provenance': [{'wikipedia_id': '8429126', 'title': 'I Want a Hippopotamus for Christmas', 'section': 'Section::::History.\n', 'start_paragraph_id': 6, 'end_paragraph_id': 6, 'meta': {'evidence_span': ['Gayla Peevey later recorded as Jamie Horton, scoring the "Billboard" Hot 100-charter "My Little Marine', 'The hippopotamus lived for nearly 50 years. Peevey, by this point 73 years old, was again present when the Oklahoma City Zoo acquired a rare pygmy hippopotamus in 2017. Gayla Peevey later recorded as Jamie Horton, scoring the "Billboard" Hot 100-charter "My Little Marine']}}]}, {'provenance': [{'wikipedia_id': '31682678', 'title': 'Sydney Forest', 'section': 'Section::::Biography.\n', 'start_paragraph_id': 4, 'end_paragraph_id': 4, 'meta': {'evidence_span': ['shing shortly after she began gigging in Los Angeles. Her lyrics and music gained a great deal of attenti', 'Born in San Diego, Sydney Forest is the daughter of Gayla Peevey (who became famous in her childhood for singing the novelty hit "I Want a Hippopotamus for Christmas")']}}]}]