CREATE TABLE table_203_89 (id DECIMAL, "#" DECIMAL, "name\ ( birth-death ) " TEXT, "took office" TEXT, "left office" TEXT, "monarch" TEXT, "prime minister" TEXT)

how many governors did the union of south africa go through during the reign of george v ?
SELECT COUNT("name\n(birth-death)") FROM table_203_89 WHERE "monarch" = 'george v'
SELECT COUNT("name\n(birth-death)") FROM "table_203_89" WHERE "monarch" = 'george v'