CREATE TABLE table_203_208 (id DECIMAL, "team" TEXT, "location" TEXT, "venue" TEXT, "capacity" DECIMAL, "position in 1993-94" DECIMAL)

what is the capacity of central vitebsk and neman combined ?
SELECT SUM(DISTINCT "capacity") FROM table_203_208 WHERE "venue" IN ('central, vitebsk', 'neman')
SELECT SUM(DISTINCT "capacity") FROM "table_203_208" WHERE "venue" IN ('central, vitebsk', 'neman')