Question: how many different types of scorpions are there
[{'answer': '1750', 'provenance': [{'wikipedia_id': '28922', 'title': 'Scorpion', 'start_paragraph_id': 2, 'start_character': 243, 'end_paragraph_id': 2, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28922', 'title': 'Scorpion', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 442, 'bleu_score': 0.948469601731261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13153772560945039123}, 'section': 'Section::::Abstract.'}]}]