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

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'