user: ### NOW ANSWER:
Question: What is the 2000 number when the 1989 is less than 54.9 in Arizona, New Mexico, and Utah?
Columns: ['Reservation', 'Location', '1969', '1979', '1989', '2000']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Navajo Indian Reservation', 'Arizona, New Mexico, and Utah', 62.1, 47.3, 54.2, 46.5]
SQL:

assistant: SELECT SUM("2000") FROM "Table" WHERE "1989" < 54.9 AND "Location" = 'Arizona, New Mexico, and Utah';