Question: Who was the Partner for Flavio Cipolla Simone Vagnozzi Opponents in the final?
SQL: SELECT "Partner" FROM "2-13141391-4" WHERE "Opponents in the final" = 'Flavio Cipolla Simone Vagnozzi';

Question: Who were the Opponents in the final that played on a Carpet (i) Surface?
SQL: SELECT "Opponents in the final" FROM "2-13141391-4" WHERE "Surface" = 'Carpet (i)';

Question: Played on Clay Surface, what was the Score of the Dortmund Tournament?
SQL: SELECT "Score in the final" FROM "2-13141391-4" WHERE "Surface" = 'Clay' AND "Tournament" = 'Dortmund';

Question: Who is Partner Frederik Nielsen's Opponents in the final?
SQL: SELECT "Opponents in the final" FROM "2-13141391-4" WHERE "Partner" = 'Frederik Nielsen';

Question: What is Partner Tomas Behrend's Score in the final?
SQL: SELECT "Score in the final" FROM "2-13141391-4" WHERE "Partner" = 'Tomas Behrend';