Table: soccer_clausura_2007
Columns: place_posici_n
team_equipo
played_pj
won_pg
draw_pe
lost_pp
goals_scored_gf
goals_conceded_gc
dif
points_pts

Question: What is the highest number of games won where less than 21 games were conceded and less than 18 games were actually played?
SQL: SELECT MAX("won_pg") FROM soccer_clausura_2007 WHERE "goals_conceded_gc" < 21 AND "played_pj" < 18

Question: What is the average number of goals conceded where more than 19 goals were scored, the team had 31 points, and more than 7 draws?
SQL: SELECT AVG("goals_conceded_gc") FROM soccer_clausura_2007 WHERE "goals_scored_gf" > 19 AND "points_pts" = 31 AND "draw_pe" > 7

Question: How many goals were conceded against the Chepo F.C. team where they lost 7 games?
SQL: SELECT "goals_conceded_gc" FROM soccer_clausura_2007 WHERE "lost_pp" = 7 AND "team_equipo" = 'chepo f.c.'