How many tourists visited the country that had 2.5 million tourists in 2011?
CREATE TABLE "the_americas" (
  "rank" real,
  "country" text,
  "international_tourist_arrivals_2012" text,
  "international_tourist_arrivals_2011" text,
  "change_2011_to_2012" text,
  "change_2010_to_2011" text
);
SELECT "international_tourist_arrivals_2012" FROM "the_americas" WHERE "international_tourist_arrivals_2011"='2.5 million';