user: Question: What is the Metric value of Russian че́тверть?
Columns: ['Unit', 'Russian', 'Translation', 'Ratio', 'Cubic inches (exact)', 'Metric value', 'Imperial value', 'US Customary']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['chast', 'часть', 'part', '1/30', '20/3', '109.33ml', '0.219 pt', '0.263 pt']
SQL:

assistant: SELECT "Metric value" FROM "Table" WHERE "Russian" = 'че́тверть';