Table: euro_challenge_cup_stats
Columns: team
tries_for
tries_against
try_diff
points_for
points_against
points_diff

Question: What is points diff when points against is 123?
SQL: SELECT "points_diff" FROM euro_challenge_cup_stats WHERE "points_against" = '123'

Question: Which team has 123 points agaibst the other team?
SQL: SELECT "team" FROM euro_challenge_cup_stats WHERE "points_against" = '123'

Question: What is the points against when try diff is +23?
SQL: SELECT "points_against" FROM euro_challenge_cup_stats WHERE "try_diff" = '+23'

Question: What is points when try diff is +23?
SQL: SELECT "points_for" FROM euro_challenge_cup_stats WHERE "try_diff" = '+23'

Question: What is points sgsinst when points diff is +96?
SQL: SELECT "points_against" FROM euro_challenge_cup_stats WHERE "points_diff" = '+96'