Table: argentinian_football_stats_8
Columns: team
average
points
played
1988_89
1989_90
1990_1991

Question: How much Average has a Team of san lorenzo, and a 1990-1991 smaller than 45?
SQL: SELECT COUNT("average") FROM argentinian_football_stats_8 WHERE "team" = 'san lorenzo' AND "1990_1991" < 45

Question: Which Played is the lowest one that has a 1989-90 of 39, and a Team of gimnasia de la plata, and Points larger than 108?
SQL: SELECT MIN("played") FROM argentinian_football_stats_8 WHERE "1989_90" = '39' AND "team" = 'gimnasia de la plata' AND "points" > 108

Question: Which 1990-1991 is the average one that has Played of 38, and Points of 40?
SQL: SELECT AVG("1990_1991") FROM argentinian_football_stats_8 WHERE "played" = 38 AND "points" = 40