Question: How many games did the Club that has a try bonus of 4 and 391 points against play ?
SQL: SELECT "Played" FROM "2-12792876-4" WHERE "Try bonus" = '4' AND "Points against" = '391';

Question: How many points against did Carmarthen Athletic RFC have when they played 22 games ?
SQL: SELECT "Points against" FROM "2-12792876-4" WHERE "Played" = '22' AND "Club" = 'Carmarthen Athletic RFC';

Question: Which club lost 10 games ?
SQL: SELECT "Club" FROM "2-12792876-4" WHERE "Lost" = '10';

Question: How many points for did the club that had 77 tries for have ?
SQL: SELECT "Points for" FROM "2-12792876-4" WHERE "Tries for" = '77';

Question: Which club has a try bonus of 2 ?
SQL: SELECT "Club" FROM "2-12792876-4" WHERE "Try bonus" = '2';