user: Question: What is the smallest winner's share for the LPGA Championship?
Columns: ['Year', 'Championship', 'Winning score', 'To par', 'Margin of victory', 'Runner-up', "Winner's share ( $ )"]
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [2008.0, 'LPGA Championship', '73-70-65-68=276', '−12', 'Playoff 1', 'Maria Hjorth', 300000.0]
SQL:

assistant: SELECT MIN("Winner's share ( $ )") FROM "Table" WHERE "Championship" = 'LPGA Championship';