Question: who sang the song how do you do
[{'answer': 'Mouth & MacNeal', 'provenance': [{'wikipedia_id': '38010527', 'title': 'How Do You Do (Mouth & MacNeal song)', 'start_paragraph_id': 1, 'start_character': 79, 'end_paragraph_id': 1, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Die Windows', 'provenance': [{'wikipedia_id': '38010527', 'title': 'How Do You Do (Mouth & MacNeal song)', 'start_paragraph_id': 1, 'start_character': 278, 'end_paragraph_id': 1, 'end_character': 289, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38010527', 'title': 'How Do You Do (Mouth & MacNeal song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 513, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14930809824650012704}, 'section': 'Section::::Abstract.'}]}]