CREATE TABLE table_42257 ("Year" FLOAT, "Division" TEXT, "League" TEXT, "Regular Season" TEXT, "Playoffs" TEXT, "Open Cup" TEXT)

Who Playoffs has a Regular Season of on hiatus.?
SELECT "Playoffs" FROM table_42257 WHERE "Regular Season" = 'on hiatus.'
SELECT "Playoffs" FROM "table_42257" WHERE "Regular Season" = 'on hiatus.'