CREATE TABLE table_2584 ("Position" TEXT, "Horse" TEXT, "Jockey" TEXT, "Age" FLOAT, "Handicap  ( st-lb ) " TEXT, "SP" TEXT, "Distance" TEXT, "Prize money" TEXT)

Who was the jockey in 7th position?
SELECT "Jockey" FROM table_2584 WHERE "Position" = '7th'
SELECT "Jockey" FROM "table_2584" WHERE "Position" = '7th'