Table: eccc_2003
Columns: proceed_to_quarter_final
match_points
aggregate_score
points_margin
eliminated_from_competition

Question: What was the aggregate score for Montauban?
SQL: SELECT "aggregate_score" FROM eccc_2003 WHERE "proceed_to_quarter_final" = 'Montauban'

Question: Who proceeded to the quarter finals with a points margin of 21?
SQL: SELECT "proceed_to_quarter_final" FROM eccc_2003 WHERE "points_margin" = 21

Question: What were the match points when Bordeaux-Bègles was eliminated from competition? 
SQL: SELECT "match_points" FROM eccc_2003 WHERE "eliminated_from_competition" = 'Bordeaux-Bègles'