When brive is the proceed to quarter final how many were eliminated from competition? 
CREATE TABLE "aggregate_results" (
  "proceed_to_quarter_final" text,
  "match_points" text,
  "aggregate_score" text,
  "points_margin" real,
  "eliminated_from_competition" text
);
SELECT COUNT("eliminated_from_competition") FROM "aggregate_results" WHERE "proceed_to_quarter_final"='Brive';