CREATE TABLE table_203_521 (id DECIMAL, "year" DECIMAL, "division" DECIMAL, "league" TEXT, "regular season" TEXT, "playoffs" TEXT, "open cup" TEXT)

how many times did this team lose in the conference finals ?
SELECT COUNT(*) FROM table_203_521 WHERE "playoffs" = 'conference finals'
SELECT COUNT(*) FROM "table_203_521" WHERE "playoffs" = 'conference finals'