Question: who played greg's mother in dharma & greg
[{'answer': 'Susan Sullivan', 'provenance': [{'wikipedia_id': '495239', 'title': 'Dharma & Greg', 'start_paragraph_id': 10, 'start_character': 12, 'end_paragraph_id': 10, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Main.\n'}]}, {'provenance': [{'wikipedia_id': '495239', 'title': 'Dharma & Greg', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 766, 'bleu_score': 0.9844346099707091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3392737014002487456}, 'section': 'Section::::Cast.:Main.\n'}]}]