CREATE TABLE "promotion_playoff" (
  "position" real,
  "club" text,
  "played" real,
  "points" real,
  "wins" real,
  "draws" real,
  "losses" real,
  "goals_for" real,
  "goals_against" real,
  "goal_difference" real
);

Question: How many goals against were scored when the points were smaller than 13, the wins were smaller than 3, and the goals for were smaller than 15?
SQL: SELECT SUM("goals_against") FROM "promotion_playoff" WHERE "points"<13 AND "wins"<3 AND "goals_for"<15;

Question: What was the highest position when the wins were higher than 4 and the points were lower than 11?
SQL: SELECT MAX("position") FROM "promotion_playoff" WHERE "wins"=4 AND "points"<11;

Question: When the goals against were higher than 30, what was the average number of draws?
SQL: SELECT AVG("draws") FROM "promotion_playoff" WHERE "goals_against">30;

Question: How many wins happened when there were fewer than 2 draws?
SQL: SELECT SUM("wins") FROM "promotion_playoff" WHERE "draws"<2;

Question: How many goals against were scored when the position was higher than 1 and the played was higher than 10?
SQL: SELECT COUNT("goals_against") FROM "promotion_playoff" WHERE "position">1 AND "played">10;