user: Question: What is the highest OWGR pts, whenn Winner is lin wen-tang (4), and when Prize fund ( US$ ) is less than 2250000?
Columns: ['Dates', 'Tournament', 'Country', 'Prize fund ( US$ )', 'Winner', 'OWGR pts']
Types: ['text', 'text', 'text', 'real', 'text', 'real']
Sample row: ['Feb 7-10', 'Emaar-MGF Indian Masters', 'India', 2500000.0, 'Shiv Chowrasia (1)', 26.0]
SQL:

assistant: SELECT MAX("OWGR pts") FROM "Table" WHERE "Winner" = 'lin wen-tang (4)' AND "Prize fund ( US$ )" < 2250000.0;