Question: who sings the theme song for what's new scooby doo
[{'answer': 'Simple Plan', 'provenance': [{'wikipedia_id': '1227572', 'title': "What's New, Scooby-Doo?", 'start_paragraph_id': 2, 'start_character': 148, 'end_paragraph_id': 2, 'end_character': 159, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]