CREATE TABLE table_204_64 (id NUMBER, "place" CLOB, "code" NUMBER, "area  ( km2 ) " NUMBER, "population" NUMBER, "most spoken language" CLOB)

what language is spoken in the place with the largest population ?
SELECT "most spoken language" FROM table_204_64 ORDER BY "population" DESC LIMIT 1
SELECT "most spoken language" FROM "table_204_64" ORDER BY "population" DESC FETCH FIRST 1 ROWS ONLY