CREATE TABLE "europe_pool_a" (
  "club" text,
  "played" real,
  "lost" real,
  "drawn" real,
  "against" real,
  "diff" real,
  "points" real
);

Question: What is the total difference for teams that played less than 6 games?
SQL: SELECT SUM("diff") FROM "europe_pool_a" WHERE "played"<6;

Question: What is the highest number of games played for teams that lost over 5 games and had an against total of 228?
SQL: SELECT MAX("played") FROM "europe_pool_a" WHERE "lost">5 AND "against"=228;

Question: How many games lost for team(s) with less than 4 paints and against total of over 340?
SQL: SELECT COUNT("lost") FROM "europe_pool_a" WHERE "points"<4 AND "against">340;