Question: who played gaston's son in descendants 2
[{'answer': 'Dylan Playfair', 'provenance': [{'wikipedia_id': '50444775', 'title': 'Descendants 2', 'start_paragraph_id': 45, 'start_character': 484, 'end_paragraph_id': 45, 'end_character': 498, 'bleu_score': 1.0, 'section': 'Section::::Soundtrack.:Singles.\n'}]}, {'provenance': [{'wikipedia_id': '50444775', 'title': 'Descendants 2', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 48, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14103411077296596289}, 'section': 'Section::::Cast.\n'}]}]