What were the points per game in the selection where the rebounds per game were 15.0?
CREATE TABLE "conference_player_of_the_month_selection" (
  "selection" real,
  "month" text,
  "season" text,
  "team_record" text,
  "points_per_game" text,
  "field_goal_percentage" text,
  "rebounds_per_game" text,
  "blocks_per_game" text
);
SELECT "points_per_game" FROM "conference_player_of_the_month_selection" WHERE "rebounds_per_game"='15.0';