CREATE TABLE table_42356 ("Year" FLOAT, "Category" TEXT, "Champions" TEXT, "Runners-up" TEXT, "Score" TEXT)

What was the Score after 1991 in Category IVA?
SELECT "Score" FROM table_42356 WHERE "Year" > '1991' AND "Category" = 'iva'
SELECT "Score" FROM "table_42356" WHERE "Category" = 'iva' AND "Year" > '1991'