Question: who plays lorraine on back to the future
[{'answer': 'Lea Katherine Thompson', 'provenance': [{'wikipedia_id': '399162', 'title': 'Lea Thompson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '399162', 'title': 'Lea Thompson', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 462, 'bleu_score': 0.7061341423217731, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11981563563877240910}, 'section': 'Section::::Abstract.'}]}]