Question: when was the song in the mood written
[{'answer': '1940', 'provenance': [{'wikipedia_id': '228040', 'title': 'In the Mood', 'start_paragraph_id': 1, 'start_character': 142, 'end_paragraph_id': 1, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '228040', 'title': 'In the Mood', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 404, 'bleu_score': 0.9157697409077581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10336488912484798543}, 'section': 'Section::::Abstract.'}]}]