CREATE TABLE table_204_352 (id NUMBER, "pos" CLOB, "no" NUMBER, "rider" CLOB, "manufacturer" CLOB, "laps" NUMBER, "time" CLOB, "grid" NUMBER, "points" NUMBER)

who is marco simoncelli 's manufacturer
SELECT "manufacturer" FROM table_204_352 WHERE "rider" = 'marco simoncelli'
SELECT "manufacturer" FROM "table_204_352" WHERE "rider" = 'marco simoncelli'