What is the Fleet Size when the EASA (EU) is no?
CREATE TABLE "charter_airlines" (
  "airline" text,
  "fleet_size" real,
  "notes" text,
  "iosa_iata" text,
  "easa_eu" text,
  "iasa_faa" text
);
SELECT "fleet_size" FROM "charter_airlines" WHERE "easa_eu"='no';