Question: who are the judges of so you think you dance
[{'answer': 'Nigel Lythgoe', 'provenance': [{'wikipedia_id': '18707196', 'title': 'So You Think You Can Dance (American TV series)', 'start_paragraph_id': 1, 'start_character': 273, 'end_paragraph_id': 1, 'end_character': 286, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mary Murphy', 'provenance': [{'wikipedia_id': '18707196', 'title': 'So You Think You Can Dance (American TV series)', 'start_paragraph_id': 16, 'start_character': 430, 'end_paragraph_id': 16, 'end_character': 441, 'bleu_score': 1.0, 'section': 'Section::::Show format.:Judges.\n'}]}, {'answer': 'Vanessa Hudgens'}]