Question: who played spock on the original star trek
[{'answer': 'Leonard Nimoy', 'provenance': [{'wikipedia_id': '401268', 'title': 'The Cage (Star Trek: The Original Series)', 'start_paragraph_id': 5, 'start_character': 12, 'end_paragraph_id': 5, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Primary cast.\n'}]}, {'provenance': [{'wikipedia_id': '401268', 'title': 'The Cage (Star Trek: The Original Series)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 38, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16472747794278391415}, 'section': 'Section::::Primary cast.\n'}]}]