Question: who played gwen in weekend at bernie's
[{'answer': 'Catherine Mary Stewart', 'provenance': [{'wikipedia_id': '1235519', 'title': "Weekend at Bernie's", 'start_paragraph_id': 4, 'start_character': 1018, 'end_paragraph_id': 4, 'end_character': 1040, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '1235519', 'title': "Weekend at Bernie's", 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1119, 'bleu_score': 0.9629417706609811, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9838149685988435669}, 'section': 'Section::::Plot.\n'}]}]