CREATE TABLE table_76457 ("Place" TEXT, "Code" FLOAT, "Area  ( km 2  ) " FLOAT, "Population" FLOAT, "Most spoken language" TEXT)

What is the lowest code number for the remainder of the municipality that has an area bigger than 15.34 squared kilometers, a population greater than 762 and a language of xhosa spoken?
SELECT MIN("Code") FROM table_76457 WHERE "Population" > '762' AND "Most spoken language" = 'xhosa' AND "Area (km 2 )" > '15.34' AND "Place" = 'remainder of the municipality'
SELECT MIN("Code") FROM "table_76457" WHERE "Area (km 2 )" > '15.34' AND "Most spoken language" = 'xhosa' AND "Place" = 'remainder of the municipality' AND "Population" > '762'