Question: who played pam shipman in gavin and stacey
[{'answer': 'Alison Steadman', 'provenance': [{'wikipedia_id': '25831483', 'title': 'List of Gavin & Stacey characters', 'start_paragraph_id': 1, 'start_character': 375, 'end_paragraph_id': 1, 'end_character': 390, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]