Question: what are the names of the two old muppets in the balcony that heckle everyone
[{'answer': 'Statler and Waldorf', 'provenance': [{'wikipedia_id': '274741', 'title': 'Statler and Waldorf', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '274741', 'title': 'Statler and Waldorf', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 292, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15226446828735968069}, 'section': 'Section::::Abstract.'}]}]