Question: song joong ki name in descendants of the sun
[{'answer': 'Yoo Si - jin', 'provenance': [{'wikipedia_id': '47429273', 'title': 'Descendants of the Sun', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Synopsis.\n'}]}, {'provenance': [{'wikipedia_id': '47429273', 'title': 'Descendants of the Sun', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 453, 'bleu_score': 0.850731765413108, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16689722066183596378}, 'section': 'Section::::Synopsis.\n'}]}]