Question: who sings in there's something about mary
[{'answer': 'Jonathan Richman', 'provenance': [{'wikipedia_id': '277149', 'title': "There's Something About Mary", 'start_paragraph_id': 7, 'start_character': 75, 'end_paragraph_id': 7, 'end_character': 91, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '277149', 'title': "There's Something About Mary", 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 52, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17384021393072451355}, 'section': 'Section::::Cast.\n'}]}]