CREATE TABLE table_58023 ("Date" TEXT, "Track" TEXT, "Race" TEXT, "Distance" TEXT, "Surface track" TEXT, "Winning horse" TEXT, "Winning jockey" TEXT)

What distance did the winning horse run in the Summer Doldrums.
SELECT "Distance" FROM table_58023 WHERE "Winning horse" = 'summer doldrums'
SELECT "Distance" FROM "table_58023" WHERE "Winning horse" = 'summer doldrums'