CREATE TABLE "pool_1" (
  "team" text,
  "tries_for" text,
  "tries_against" text,
  "try_diff" text,
  "points_for" text,
  "points_against" text,
  "points_diff" text
);

Question: What is Team, when Tries Against is 8?
SQL: SELECT "team" FROM "pool_1" WHERE "tries_against"='8';

Question: What is Tries Against, when Tries For is 20?
SQL: SELECT "tries_against" FROM "pool_1" WHERE "tries_for"='20';

Question: What is Tries Against, when Points For is 98?
SQL: SELECT "tries_against" FROM "pool_1" WHERE "points_for"='98';

Question: What is Points Against, when Try Diff is +22?
SQL: SELECT "points_against" FROM "pool_1" WHERE "try_diff"='+22';