CREATE TABLE table_203_834 (id DECIMAL, "rank" DECIMAL, "census subdivision" TEXT, "province" TEXT, "type" TEXT, "land area\ ( km2 ,  2011 ) " DECIMAL, "population 2011" DECIMAL, "population 2006" DECIMAL, "population 2001" DECIMAL, "population 1996" DECIMAL, "change in % 2006-2011" DECIMAL, "change in % 1996-2011" DECIMAL)

what is the combined land area of toronto and hamilton ?
SELECT SUM("land area\n(km2, 2011)") FROM table_203_834 WHERE "census subdivision" IN ('toronto', 'hamilton')
SELECT SUM("land area\n(km2, 2011)") FROM "table_203_834" WHERE "census subdivision" IN ('toronto', 'hamilton')