Table: arg_primera_pts_2
Columns: team
2004_05_pts
2005_06_pts
2006_07_pts
total_pts
total_pld

Question: What is the total number of PLD for Team Arsenal?
SQL: SELECT COUNT("total_pld") FROM arg_primera_pts_2 WHERE "team" = 'arsenal'

Question: What is the total pld with 158 points in 2006-07, and less than 52 points in 2006-07?
SQL: SELECT SUM("total_pld") FROM arg_primera_pts_2 WHERE "total_pts" = 158 AND "2006_07_pts" < 52

Question: What is the average total pld with 45 points in 2005-06, and more than 52 points in 2006-07?
SQL: SELECT AVG("total_pld") FROM arg_primera_pts_2 WHERE "2005_06_pts" = '45' AND "2006_07_pts" > 52

Question: What is the total number of points for a total pld less than 38?
SQL: SELECT COUNT("total_pts") FROM arg_primera_pts_2 WHERE "total_pld" < 38