Question: who did the original scooby doo theme song
[{'answer': 'Danny Janssen and Austin Roberts', 'provenance': [{'wikipedia_id': '2610234', 'title': 'Scooby-Doo, Where Are You!', 'start_paragraph_id': 15, 'start_character': 296, 'end_paragraph_id': 15, 'end_character': 328, 'bleu_score': 1.0, 'section': 'Section::::Music.\n'}]}, {'provenance': [{'wikipedia_id': '2610234', 'title': 'Scooby-Doo, Where Are You!', 'start_paragraph_id': 15, 'start_character': 4, 'end_paragraph_id': 15, 'end_character': 1045, 'bleu_score': 0.9099517605367481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3951097729826000415}, 'section': 'Section::::Music.\n'}]}]