Question: how many words are in the oxford english dictionary
[{'answer': '59 million words', 'provenance': [{'wikipedia_id': '22641', 'title': 'Oxford English Dictionary', 'start_paragraph_id': 8, 'start_character': 85, 'end_paragraph_id': 8, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Entries and relative size.\n'}]}, {'answer': '616,500 word - forms in total'}, {'provenance': [{'wikipedia_id': '22641', 'title': 'Oxford English Dictionary', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 1003, 'bleu_score': 0.970791317076327, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14058763180539043617}, 'section': 'Section::::Entries and relative size.\n'}]}]