Question: who wrote the game of thrones theme song
[{'answer': 'Ramin Djawadi', 'provenance': [{'wikipedia_id': '5880511', 'title': 'Ramin Djawadi', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]