Question: Who was the parter against Marin Čilić Lovro Zovko?
SQL: SELECT "Partnering" FROM "2-12598104-6" WHERE "Opponents" = 'Marin Čilić Lovro Zovko';

Question: What was the score on 24 February 2013?
SQL: SELECT "Score" FROM "2-12598104-6" WHERE "Date" = '24 February 2013';

Question: Who was the opponent on Clay surface when partnered with Horacio Zeballos?
SQL: SELECT "Opponents" FROM "2-12598104-6" WHERE "Surface" = 'Clay' AND "Partnering" = 'Horacio Zeballos';