Question: how many levels are there in science olympiad
[{'answer': 'two', 'provenance': [{'wikipedia_id': '9873302', 'title': 'Science Olympiad Foundation', 'start_paragraph_id': 9, 'start_character': 107, 'end_paragraph_id': 9, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Olympiads.:Current.\n'}]}, {'provenance': [{'wikipedia_id': '9873302', 'title': 'Science Olympiad Foundation', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 202, 'bleu_score': 0.8200123297196331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4797084440865604765}, 'section': 'Section::::Olympiads.:Current.\n'}]}]