CREATE TABLE table_74042 ("Position" TEXT, "Name" TEXT, "Rider" TEXT, "Age" FLOAT, "Weight" TEXT, "Starting price" TEXT, "Distance" TEXT, "Prize money" TEXT)

How much did Nina Carberry win?
SELECT "Prize money" FROM table_74042 WHERE "Rider" = 'Nina Carberry'
SELECT "Prize money" FROM "table_74042" WHERE "Rider" = 'Nina Carberry'