Question: who played khan in the original star trek series
[{'answer': 'Ricardo Montalbán', 'provenance': [{'wikipedia_id': '24222783', 'title': 'Khan Noonien Singh', 'start_paragraph_id': 1, 'start_character': 208, 'end_paragraph_id': 1, 'end_character': 225, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24222783', 'title': 'Khan Noonien Singh', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 350, 'bleu_score': 0.750326401633295, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4443645243219118712}, 'section': 'Section::::Abstract.'}]}]