Question: who sang i dreamed a dream in the original london cast
[{'answer': 'Patti LuPone', 'provenance': [{'wikipedia_id': '6648456', 'title': 'I Dreamed a Dream', 'start_paragraph_id': 6, 'start_character': 335, 'end_paragraph_id': 6, 'end_character': 347, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '6648456', 'title': 'I Dreamed a Dream', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 347, 'bleu_score': 0.7930478018948971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13594028205039826107}, 'section': 'Section::::History.\n'}]}]