Question: who played the captain in the first star trek episode
[{'answer': 'Jeffrey Hunter', 'provenance': [{'wikipedia_id': '100275', 'title': 'Christopher Pike (Star Trek)', 'start_paragraph_id': 1, 'start_character': 98, 'end_paragraph_id': 1, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]