Question: how much letters are in the russian alphabet
[{'answer': '33', 'provenance': [{'wikipedia_id': '316936', 'title': 'Russian alphabet', 'start_paragraph_id': 1, 'start_character': 133, 'end_paragraph_id': 1, 'end_character': 135, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]