Table: tennis_futures
Columns: tournament
date
city
country
surface
singles_champions

Question: Who was the Singles Champions in Trieste, Italy?
SQL: SELECT "singles_champions" FROM tennis_futures WHERE "country" = 'italy' AND "city" = 'trieste'

Question: On what Surface will the Venezuela F5 Futures in Caracas be played?
SQL: SELECT "surface" FROM tennis_futures WHERE "city" = 'caracas' AND "tournament" = 'venezuela f5 futures'

Question: What is the type of Surface for the New Zealand F1 Futures Tournament?
SQL: SELECT "surface" FROM tennis_futures WHERE "tournament" = 'new zealand f1 futures'

Question: In what Country will Dennis Blömke play the Germany F13 Futures Tournament?
SQL: SELECT "country" FROM tennis_futures WHERE "singles_champions" = 'dennis blömke' AND "tournament" = 'germany f13 futures'

Question: On what Date will the Argentina F17 Futures Tournament be played in Argentina?
SQL: SELECT "date" FROM tennis_futures WHERE "country" = 'argentina' AND "tournament" = 'argentina f17 futures'