What is the average in 2010 of the team with a code of (IATA/ICAO) or cra/lrcv?
CREATE TABLE "passenger_statistics" (
  "rank" real,
  "airport" text,
  "city" text,
  "code_iata_icao" text,
  "2008" real,
  "2009" real,
  "2010" real
);
SELECT "2010" FROM "passenger_statistics" WHERE "code_iata_icao"='cra/lrcv';