Question: who sings 1000 words from final fantasy x-2
[{'answer': 'Koda Kumi', 'provenance': [{'wikipedia_id': '3398328', 'title': 'Real Emotion / 1000 no Kotoba', 'start_paragraph_id': 5, 'start_character': 233, 'end_paragraph_id': 5, 'end_character': 242, 'bleu_score': 1.0, 'section': 'Section::::Background and release.\n'}]}]