Question: who plays rachel's friend melissa on friends
[{'answer': 'Winona Ryder', 'provenance': [{'wikipedia_id': '5923637', 'title': 'List of Friends characters', 'start_paragraph_id': 219, 'start_character': 219, 'end_paragraph_id': 219, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::Characters appearing in only one season.:Only in season 3.:Isabella Rossellini.\n'}]}, {'provenance': [{'wikipedia_id': '5923637', 'title': 'List of Friends characters', 'start_paragraph_id': 274, 'start_character': 0, 'end_paragraph_id': 274, 'end_character': 1211, 'bleu_score': 0.9910110079559221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 970041484839498163}, 'section': 'Section::::Characters appearing in only one season.:Only in season 7.:Melissa Warburton.\n'}]}]