CREATE TABLE table_37024 ("Year" FLOAT, "Competition" CLOB, "Venue" CLOB, "Position" CLOB, "Notes" CLOB)

Which Position has a Competition of world championships, and a Year larger than 1997?
SELECT "Position" FROM table_37024 WHERE "Competition" = 'world championships' AND "Year" > '1997'
SELECT "Position" FROM "table_37024" WHERE "Competition" = 'world championships' AND "Year" > '1997'