Question: who sings the song teach me how to dougie
[{'answer': 'Cali Swag District', 'provenance': [{'wikipedia_id': '27759079', 'title': 'Teach Me How to Dougie', 'start_paragraph_id': 1, 'start_character': 70, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27759079', 'title': 'Teach Me How to Dougie', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 537, 'bleu_score': 0.7923805711128391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15687648381484468693}, 'section': 'Section::::Abstract.'}]}]