CREATE TABLE table_204_789 (id NUMBER, "plant name" CLOB, "location" CLOB, "country" CLOB, "startup date" NUMBER, "capacity  ( mmtpa ) " CLOB, "corporation" CLOB)

which country has the most plants ?
SELECT "country" FROM table_204_789 GROUP BY "country" ORDER BY COUNT("plant name") DESC LIMIT 1
SELECT "country" FROM "table_204_789" GROUP BY "country" ORDER BY COUNT("plant name") DESC FETCH FIRST 1 ROWS ONLY