Question: who played lieutenant barclay on star trek the next generation
[{'answer': 'Dwight Schultz', 'provenance': [{'wikipedia_id': '89279', 'title': 'Reginald Barclay', 'start_paragraph_id': 1, 'start_character': 107, 'end_paragraph_id': 1, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '89279', 'title': 'Reginald Barclay', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 637, 'bleu_score': 0.6525025847624111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10763467196331371790}, 'section': 'Section::::Abstract.'}]}]