CREATE TABLE table_47909 ("Reservation" TEXT, "Location" TEXT, "1969" FLOAT, "1979" FLOAT, "1989" FLOAT, "2000" FLOAT)

What is the 2000 number when the 1989 is less than 54.9 in Arizona, New Mexico, and Utah?
SELECT SUM("2000") FROM table_47909 WHERE "1989" < '54.9' AND "Location" = 'arizona, new mexico, and utah'
SELECT SUM("2000") FROM "table_47909" WHERE "1989" < '54.9' AND "Location" = 'arizona, new mexico, and utah'