CREATE TABLE table_name_87 (obesity_rank VARCHAR2, overweight__incl_obese__adults VARCHAR2, state_and_district_of_columbia VARCHAR2)

What's the rank in West Virginia when the overweight adult was 66.8%?
SELECT obesity_rank FROM table_name_87 WHERE overweight__incl_obese__adults = "66.8%" AND state_and_district_of_columbia = "west virginia"
SELECT "obesity_rank" FROM "table_name_87" WHERE "66.8%" = "overweight__incl_obese__adults" AND "state_and_district_of_columbia" = "west virginia"