CREATE TABLE "singles" (
  "outcome" text,
  "edition" text,
  "opponent_team" text,
  "surface" text,
  "opponent" text,
  "score" text
);

Question: For edition is 2011 europe/africa group iiib and surface where score is 6–4, 6–1 please specify all the surface
SQL: SELECT "surface" FROM "singles" WHERE "score"='6–4, 6–1' AND "edition"='2011 Europe/Africa Group IIIB';

Question: For opponent is sandra kristjánsdóttir, outcome is winner and edition is 2009 europe/africa group iiib mention all the opponent team.
SQL: SELECT "opponent_team" FROM "singles" WHERE "edition"='2009 Europe/Africa Group IIIB' AND "outcome"='Winner' AND "opponent"='Sandra Kristjánsdóttir';

Question: For score 7–6 (7–3) , 6–4 please mention total number of outcome
SQL: SELECT COUNT("outcome") FROM "singles" WHERE "score"='7–6 (7–3) , 6–4';

Question: For armenia as opponent team and edition is 2009 europe/africa group iiib mention all the opponent
SQL: SELECT "opponent" FROM "singles" WHERE "edition"='2009 Europe/Africa Group IIIB' AND "opponent_team"='Armenia';

Question: For score 6–2, 6–3 and outcome is loser mention all the edition.
SQL: SELECT "edition" FROM "singles" WHERE "outcome"='Loser' AND "score"='6–2, 6–3';