Question: who played the main character in i can only imagine
[{'answer': 'J. Michael Finley', 'provenance': [{'wikipedia_id': '55750028', 'title': 'I Can Only Imagine (film)', 'start_paragraph_id': 1, 'start_character': 272, 'end_paragraph_id': 1, 'end_character': 289, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55750028', 'title': 'I Can Only Imagine (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 476, 'bleu_score': 0.903143198417068, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10005119389660721782}, 'section': 'Section::::Abstract.'}]}]