CREATE TABLE "doubles_12" (
  "edition" text,
  "round" text,
  "date" text,
  "partnering" text,
  "against" text,
  "surface" text,
  "opponents" text,
  "result" text
);

Question: Who was partnering when nueza silva played against greece?
SQL: SELECT "partnering" FROM "doubles_12" WHERE "against"='greece';

Question: What was the round when nueza silva played against greece?
SQL: SELECT "round" FROM "doubles_12" WHERE "against"='greece';

Question: Who were the opponents during the 2006 fed cup europe/africa group ii against greece?
SQL: SELECT "opponents" FROM "doubles_12" WHERE "edition"='2006 fed cup europe/africa group ii' AND "against"='greece';