Question: who plays lydia in four weddings and a funeral
[{'answer': 'Sophie Thompson', 'provenance': [{'wikipedia_id': '11223', 'title': 'Four Weddings and a Funeral', 'start_paragraph_id': 69, 'start_character': 348, 'end_paragraph_id': 69, 'end_character': 363, 'bleu_score': 1.0, 'section': 'Section::::"One Red Nose Day and a Wedding".\n'}]}]