Question: when did the song i can only imagine by mercyme come out
[{'answer': '2001', 'provenance': [{'wikipedia_id': '2867531', 'title': 'I Can Only Imagine (MercyMe song)', 'start_paragraph_id': 1, 'start_character': 236, 'end_paragraph_id': 1, 'end_character': 240, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]