CREATE TABLE "doubles_23_11_12" (
  "outcome" text,
  "date" text,
  "surface" text,
  "partner" text,
  "opponents" text,
  "score" text
);

Question: Who was the partner on the game which took place on a clay surface with opponents of marco chiudinelli michael lammer and a runner-up result?
SQL: SELECT "partner" FROM "doubles_23_11_12" WHERE "outcome"='runner-up' AND "surface"='clay' AND "opponents"='marco chiudinelli michael lammer';

Question: Who were the opponent in the match on a clay surface that had a score of 6–3, 7–6 (11–9)?
SQL: SELECT "opponents" FROM "doubles_23_11_12" WHERE "surface"='clay' AND "score"='6–3, 7–6 (11–9)';