Question: who played worf's son on star trek next generation
[{'answer': 'Brian Eric Bonsall', 'provenance': [{'wikipedia_id': '1097405', 'title': 'Brian Bonsall', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1097405', 'title': 'Brian Bonsall', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 329, 'bleu_score': 0.863396702642174, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13790077855782658756}, 'section': 'Section::::Abstract.'}]}]