Question: what is the letter m in roman numerals
[{'answer': '1000', 'provenance': [{'wikipedia_id': '19191', 'title': 'M', 'start_paragraph_id': 8, 'start_character': 54, 'end_paragraph_id': 8, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Other uses.\n'}]}, {'provenance': [{'wikipedia_id': '19191', 'title': 'M', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 206, 'bleu_score': 0.8675979125638371, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14532298248393130266}, 'section': 'Section::::Other uses.\n'}]}]