Question: who wrote the song home sung by michael buble
[{'answer': 'Michael Bublé', 'provenance': [{'wikipedia_id': '13946264', 'title': 'Home (Michael Bublé song)', 'start_paragraph_id': 0, 'start_character': 6, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Alan Chang', 'provenance': [{'wikipedia_id': '13946264', 'title': 'Home (Michael Bublé song)', 'start_paragraph_id': 1, 'start_character': 221, 'end_paragraph_id': 1, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Amy Foster - Gillies', 'provenance': [{'wikipedia_id': '13946264', 'title': 'Home (Michael Bublé song)', 'start_paragraph_id': 1, 'start_character': 236, 'end_paragraph_id': 1, 'end_character': 255, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13946264', 'title': 'Home (Michael Bublé song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 254, 'bleu_score': 0.9000283069718911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5282889658357115729}, 'section': 'Section::::Abstract.'}]}]