Question: who sings the theme song to mystery science theater 3000
[{'answer': 'Hodgson', 'provenance': [{'wikipedia_id': '20840', 'title': 'Mystery Science Theater 3000', 'start_paragraph_id': 1, 'start_character': 93, 'end_paragraph_id': 1, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20840', 'title': 'Mystery Science Theater 3000', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 1241, 'bleu_score': 0.9639392373098771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13475118061134055523}, 'section': 'Section::::Production history.:Concept.\n'}]}]