Question: what is mr gold first name in once upon a time
[{'answer': 'Rumplestiltskin', 'provenance': [{'wikipedia_id': '40917623', 'title': 'Mr. Gold', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]