Question: Who was the Singles Champions in Trieste, Italy?
SQL: SELECT "Singles champions" FROM "2-11900378-1" WHERE "Country" = 'Italy' AND "City" = 'Trieste';

Question: On what Surface will the Venezuela F5 Futures in Caracas be played?
SQL: SELECT "Surface" FROM "2-11900378-1" 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 "2-11900378-1" WHERE "Tournament" = 'New Zealand F1 Futures';

Question: In what Country will Dennis Blömke play the Germany F13 Futures Tournament?
SQL: SELECT "Country" FROM "2-11900378-1" 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 "2-11900378-1" WHERE "Country" = 'Argentina' AND "Tournament" = 'Argentina F17 Futures';