CREATE TABLE table_79498 ("Country" TEXT, "Airport" TEXT, "City" TEXT, "2011" FLOAT, "Change  ( 11/10 ) " TEXT)

Which 2011 has an Airport of bole international airport?
SELECT MAX("2011") FROM table_79498 WHERE "Airport" = 'bole international airport'
SELECT MAX("2011") FROM "table_79498" WHERE "Airport" = 'bole international airport'