CREATE TABLE table_25270 ("City" TEXT, "County" TEXT, "Region" TEXT, "Local authority" TEXT, "Type" TEXT, "Population" FLOAT, "Urban area" FLOAT, "Metropolitan area" FLOAT)

What is the total membership for the metropolitan area in the city of Manchester?
SELECT MAX("Metropolitan area") FROM table_25270 WHERE "City" = 'Manchester'
SELECT MAX("Metropolitan area") FROM "table_25270" WHERE "City" = 'Manchester'