Question: who played fantine in the original london cast
[{'answer': 'Patti LuPone', 'provenance': [{'wikipedia_id': '237789', 'title': 'Les Misérables (musical)', 'start_paragraph_id': 57, 'start_character': 125, 'end_paragraph_id': 57, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Productions.:Sit-down productions.:Original West End production.\n'}]}]