Question: who played maid marian in robin hood prince of thieves
[{'answer': 'Mary Elizabeth Mastrantonio', 'provenance': [{'wikipedia_id': '261402', 'title': 'Robin Hood: Prince of Thieves', 'start_paragraph_id': 1, 'start_character': 286, 'end_paragraph_id': 1, 'end_character': 313, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '261402', 'title': 'Robin Hood: Prince of Thieves', 'start_paragraph_id': 1, 'start_character': 284, 'end_paragraph_id': 1, 'end_character': 323, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3723359203480852488}, 'section': 'Section::::Abstract.'}]}]