CREATE TABLE "current_fleet" (
  "ship" text,
  "built" real,
  "builder" text,
  "entered_service_for_aida" text,
  "gross_tonnage" text,
  "flag" text
);

Question: Which Flag did the Ship Aidavita have?
SQL: SELECT "flag" FROM "current_fleet" WHERE "ship"='aidavita';