CREATE TABLE "busiest_us_airports_by_total_passenger_b" (
  "rank_2012" real,
  "airports_medium_hubs" text,
  "iata_code" text,
  "city_served" text,
  "state" text,
  "2012" real
);

Question: What is the state that has the 2012 rank of 43?
SQL: SELECT "state" FROM "busiest_us_airports_by_total_passenger_b" WHERE "rank_2012"=43;