CREATE TABLE table_34549 ("Rank" FLOAT, "Country" TEXT, "International tourist arrivals  ( 2012 ) " TEXT, "International tourist arrivals  ( 2011 ) " TEXT, "Change  ( 2011 to 2012 ) " TEXT, "Change  ( 2010 to 2011 ) " TEXT)

In 2011, how many tourists visited the country that had 23.4 million tourists in 2012?
SELECT "International tourist arrivals (2011)" FROM table_34549 WHERE "International tourist arrivals (2012)" = '23.4 million'
SELECT "International tourist arrivals (2011)" FROM "table_34549" WHERE "International tourist arrivals (2012)" = '23.4 million'