Question: how many episodes in lethal weapon series 3
[{'answer': '13', 'provenance': [{'wikipedia_id': '50506293', 'title': 'Lethal Weapon (TV series)', 'start_paragraph_id': 42, 'start_character': 286, 'end_paragraph_id': 42, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]