CREATE TABLE table_43921 ("Rank" FLOAT, "Name" TEXT, "Period" TEXT, "Games" FLOAT, "Goals" TEXT)

What is the rank for the period of 1973 89, with less than 423 games.
SELECT SUM("Rank") FROM table_43921 WHERE "Period" = '1973–89' AND "Games" < '423'
SELECT SUM("Rank") FROM "table_43921" WHERE "Games" < '423' AND "Period" = '1973–89'