CREATE TABLE table_203_558 (id DECIMAL, "election" DECIMAL, "number of\ popular votes" DECIMAL, "% of\ popular votes" DECIMAL, "total\ elected seats" TEXT, "+/-" DECIMAL)

how many total elected seats in 1991 ?
SELECT "total\nelected seats" FROM table_203_558 WHERE "election" = 1991
SELECT "total\nelected seats" FROM "table_203_558" WHERE "election" = 1991