CREATE TABLE table_26520 ("Year" FLOAT, "Division" FLOAT, "League" TEXT, "Regular Season" TEXT, "Playoffs" TEXT, "Open Cup" TEXT)

What was the playoff result where the league did not qualify in the Open Cup in 1998?
SELECT "Playoffs" FROM table_26520 WHERE "Open Cup" = 'Did not qualify' AND "Year" = '1998'
SELECT "Playoffs" FROM "table_26520" WHERE "Open Cup" = 'Did not qualify' AND "Year" = '1998'