CREATE TABLE "doubles_15" (
  "date" text,
  "tournament" text,
  "surface" text,
  "partnering" text,
  "opponents" text,
  "score" text
);

Question: Which Tournament has Opponents of marc lópez santiago ventura?
SQL: SELECT "tournament" FROM "doubles_15" WHERE "opponents"='marc lópez santiago ventura';

Question: Which Opponents have a Partnering of alessandro motti, and a Date of 12 september 2005?
SQL: SELECT "opponents" FROM "doubles_15" WHERE "partnering"='alessandro motti' AND "date"='12 september 2005';

Question: Which Opponents have a Score of 6–4, 6–3?
SQL: SELECT "opponents" FROM "doubles_15" WHERE "score"='6–4, 6–3';

Question: Which Tournament has a Surface of hard, and a Date of 24 september 2011?
SQL: SELECT "tournament" FROM "doubles_15" WHERE "surface"='hard' AND "date"='24 september 2011';