CREATE TABLE table_14387 ("Year" CLOB, "Division" CLOB, "League" CLOB, "Reg. Season" CLOB, "Playoffs" CLOB, "Open Cup" CLOB)

What year had a 1st round playoff in the NASL indoor league?
SELECT "Year" FROM table_14387 WHERE "Playoffs" = '1st round' AND "League" = 'nasl indoor'
SELECT "Year" FROM "table_14387" WHERE "League" = 'nasl indoor' AND "Playoffs" = '1st round'