CREATE TABLE table_31480 ("Result" CLOB, "Date" CLOB, "Race" CLOB, "Venue" CLOB, "Group" CLOB, "Distance" CLOB, "Weight  ( kg ) " CLOB, "Jockey" CLOB, "Winner/2nd" CLOB)

List the rider for the doncaster handicap compeition.
SELECT "Jockey" FROM table_31480 WHERE "Race" = 'Doncaster Handicap'
SELECT "Jockey" FROM "table_31480" WHERE "Race" = 'Doncaster Handicap'