CREATE TABLE table_18958648_1 (obesity_rank INT, state_and_district_of_columbia VARCHAR)

What is the least obesity rank for the state of Utah?
SELECT MIN(obesity_rank) FROM table_18958648_1 WHERE state_and_district_of_columbia = "Utah"
SELECT MIN("obesity_rank") FROM "table_18958648_1" WHERE "Utah" = "state_and_district_of_columbia"