Question: who was skeletor in masters of the universe
[{'answer': 'Frank Langella', 'provenance': [{'wikipedia_id': '3044228', 'title': 'Masters of the Universe (film)', 'start_paragraph_id': 1, 'start_character': 194, 'end_paragraph_id': 1, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]