Question: who plays mary in lord of the rings
[{'answer': 'Dominic Bernard Patrick Luke Monaghan', 'provenance': [{'wikipedia_id': '248095', 'title': 'Dominic Monaghan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]