Question: What is the highest OWGR pts, whenn Winner is lin wen-tang (4), and when Prize fund ( US$ ) is less than 2250000?
SQL: SELECT MAX("OWGR pts") FROM "2-15719408-1" WHERE "Winner" = 'lin wen-tang (4)' AND "Prize fund ( US$ )" < 2250000.0;

Question: What is the average Prize fund ( US$ ), when OWGR pts is greater than 20, and when Dates is Nov 6-9?
SQL: SELECT AVG("Prize fund ( US$ )") FROM "2-15719408-1" WHERE "OWGR pts" > 20.0 AND "Dates" = 'Nov 6-9';

Question: What is Winner, when Dates is Dec 11-14?
SQL: SELECT "Winner" FROM "2-15719408-1" WHERE "Dates" = 'Dec 11-14';