CREATE TABLE "fed_cup_doubles_performances_0_5" (
  "edition" text,
  "round" text,
  "date" text,
  "partnering" text,
  "against" text,
  "surface" text,
  "opponents" text,
  "result" text
);

Question: On what surface did Poland play as the against team?
SQL: SELECT "surface" FROM "fed_cup_doubles_performances_0_5" WHERE "against"='poland';

Question: Who was played against with a result of 3–6, 2–6?
SQL: SELECT "against" FROM "fed_cup_doubles_performances_0_5" WHERE "result"='3–6, 2–6';