user: Question: On what Surface will the Venezuela F5 Futures in Caracas be played?
Columns: ['Tournament', 'Date', 'City', 'Country', 'Surface', 'Singles champions']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Germany F1 Futures', 'January 11', 'Schwieberdingen', 'Germany', 'Carpet (i)', 'Jesse Huta Galung']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "City" = 'Caracas' AND "Tournament" = 'Venezuela F5 Futures';