CREATE TABLE table_8754 ("Year" FLOAT, "Competition" TEXT, "Venue" TEXT, "Position" TEXT, "Event" TEXT)

Which Position has an Event of 10,000 m, and a Competition of world championships, and a Year larger than 1993?
SELECT "Position" FROM table_8754 WHERE "Event" = '10,000 m' AND "Competition" = 'world championships' AND "Year" > '1993'
SELECT "Position" FROM "table_8754" WHERE "Competition" = 'world championships' AND "Event" = '10,000 m' AND "Year" > '1993'