CREATE TABLE table_25269 ("City" TEXT, "County" TEXT, "Region" TEXT, "Local authority" TEXT, "Type" TEXT, "Population" FLOAT, "Urban area" FLOAT, "Metropolitan area" FLOAT)

Tyne and Wear County has what total membership for their metropolitan area?
SELECT "Metropolitan area" FROM table_25269 WHERE "County" = 'Tyne and Wear'
SELECT "Metropolitan area" FROM "table_25269" WHERE "County" = 'Tyne and Wear'