query: SELECT sum(SurfaceArea) FROM country WHERE Region  =  "Caribbean"
question: What-all of the countries in the Caribbean region is the total surface area?
query_toks: SELECT sum ( SurfaceArea ) FROM country WHERE Region = `` Caribbean ''
query_toks_no_value: select sum ( surfacearea ) from country where region = value
question_toks: What-all of the countries in the Caribbean region is the total surface area?