How many goals were conceded against the Chepo F.C. team where they lost 7 games?
CREATE TABLE "clausura_2007_standings" (
  "place_posici_n" real,
  "team_equipo" text,
  "played_pj" real,
  "won_pg" real,
  "draw_pe" real,
  "lost_pp" real,
  "goals_scored_gf" real,
  "goals_conceded_gc" real,
  "dif" real,
  "points_pts" real
);
SELECT "goals_conceded_gc" FROM "clausura_2007_standings" WHERE "lost_pp"=7 AND "team_equipo"='chepo f.c.';