CREATE TABLE table_40631 ("Year" TEXT, "Comp." FLOAT, "Att." FLOAT, "Comp%" FLOAT, "Yards" FLOAT, "TD's" FLOAT, "INT's" FLOAT, "Rating" FLOAT)

What is the sum of completions that led to completion percentages of 65.4 and attempts under 451?
SELECT SUM("Comp.") FROM table_40631 WHERE "Comp%" = '65.4' AND "Att." < '451'
SELECT SUM("Comp.") FROM "table_40631" WHERE "Att." < '451' AND "Comp%" = '65.4'