CREATE TABLE table_39050 ("Unit" TEXT, "Russian" TEXT, "Translation" TEXT, "Ratio" TEXT, "Cubic inches  ( exact ) " TEXT, "Metric value" TEXT, "Imperial" TEXT, "US Customary" TEXT)

How large in US customary terms is the unit called butylka (vodochnaya)?
SELECT "US Customary" FROM table_39050 WHERE "Unit" = 'butylka (vodochnaya)'
SELECT "US Customary" FROM "table_39050" WHERE "Unit" = 'butylka (vodochnaya)'