CREATE TABLE table_39150 ("Date" TEXT, "Race" TEXT, "Distance" TEXT, "Venue" TEXT, "Radio" TEXT)

What is the distance of the Sam's town 250 race?
SELECT "Distance" FROM table_39150 WHERE "Race" = 'sam''s town 250'
SELECT "Distance" FROM "table_39150" WHERE "Race" = 'sam\'s town 250'