CREATE TABLE "tournament_results" (
  "dates" text,
  "tournament" text,
  "country" text,
  "prize_fund_us" real,
  "winner" text,
  "owgr_pts" real
);

Question: What is the highest OWGR pts, whenn Winner is Lin Wen-Tang (4), and when Prize fund ( US$ ) is less than 2,250,000?
SQL: SELECT MAX("owgr_pts") FROM "tournament_results" WHERE "winner"='lin wen-tang (4)' AND "prize_fund_us"<'2,250,000';

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 "tournament_results" WHERE "owgr_pts">20 AND "dates"='nov 6-9';

Question: What is Winner, when Dates is Dec 11-14?
SQL: SELECT "winner" FROM "tournament_results" WHERE "dates"='dec 11-14';