CREATE TABLE table_27750 ("Year" FLOAT, "Division" FLOAT, "League" TEXT, "Regular Season" TEXT, "Playoffs" TEXT, "Open Cup" TEXT)

Name the year for open cup did not qualify and national final
SELECT COUNT("Year") FROM table_27750 WHERE "Open Cup" = 'Did not qualify' AND "Playoffs" = 'National Final'
SELECT COUNT("Year") FROM "table_27750" WHERE "Open Cup" = 'Did not qualify' AND "Playoffs" = 'National Final'