Table: tourism_rankings
Columns: rank
country
international_tourist_arrivals_2011
international_tourist_arrivals_2010
change_2010_to_2011
change_2009_to_2010

Question: What are the changes from 2009 to 2010 in Tunisia?
SQL: SELECT "change_2009_to_2010" FROM tourism_rankings WHERE "country" = 'Tunisia'

Question: What are the international tourist arrivals in 2010 where change from 2010 to 2011 is +11.2% ?
SQL: SELECT "international_tourist_arrivals_2010" FROM tourism_rankings WHERE "change_2010_to_2011" = '+11.2%'

Question: What are the changes (2010 to 2011) where the International Tourist Arrivals is 1.7 million?
SQL: SELECT "change_2010_to_2011" FROM tourism_rankings WHERE "international_tourist_arrivals_2011" = '1.7 million'

Question: What are the international tourist arrivals(2010) where change from 2009 to 2010 is +11.1%?
SQL: SELECT "international_tourist_arrivals_2010" FROM tourism_rankings WHERE "change_2009_to_2010" = '+11.1%'

Question: What are the International tourist arrivals (2010) where change from 2010 to 2011 is +15%
SQL: SELECT "international_tourist_arrivals_2010" FROM tourism_rankings WHERE "change_2010_to_2011" = '+15%'

Question: How many international tourist arrivals were in Senegal in 2011?
SQL: SELECT "international_tourist_arrivals_2011" FROM tourism_rankings WHERE "country" = 'Senegal'