Question: who plays dave coaches in gavin and stacey
[{'answer': 'Steffan Rhodri', 'provenance': [{'wikipedia_id': '16965493', 'title': 'Steffan Rhodri', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16965493', 'title': 'Steffan Rhodri', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 0.701088303858115, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17176266521259979638}, 'section': 'Section::::Abstract.'}]}]