CREATE TABLE table_203_298 (id DECIMAL, "rank" DECIMAL, "name" TEXT, "nation ( s ) " TEXT, "born" TEXT, "ascended" TEXT, "years reigned" TEXT)

how many reigned more than 50 years ?
SELECT COUNT(*) FROM table_203_298 WHERE "years reigned" >= 50
SELECT COUNT(*) FROM "table_203_298" WHERE "years reigned" >= 50