Question: who plays jimmy's mother in boardwalk empire
[{'answer': 'Gretchen Mol', 'provenance': [{'wikipedia_id': '522627', 'title': 'Gretchen Mol', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '522627', 'title': 'Gretchen Mol', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 352, 'bleu_score': 0.5987710901188661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8625611683985197105}, 'section': 'Section::::Abstract.'}]}]