CREATE TABLE table_76783 ("Rank" FLOAT, "Amusement park corporations" TEXT, "Country" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" FLOAT, "2012" TEXT)

In the United States the 2011 attendance at this amusement park corporation was larger than 30,800,000 but lists what as its 2008 attendance?
SELECT "2008" FROM table_76783 WHERE "2011" > '30,800,000' AND "Country" = 'united states'
SELECT "2008" FROM "table_76783" WHERE "2011" > '30,800,000' AND "Country" = 'united states'