How many assists per game did he have when he had 6.8 points per game?
CREATE TABLE "international_stats" (
  "tournament" text,
  "games_played" real,
  "points_per_game" text,
  "rebounds_per_game" text,
  "assists_per_game" text
);
SELECT "assists_per_game" FROM "international_stats" WHERE "points_per_game"='6.8';