user: Question: What is the lowest Winner's share (¥) in 2011?
Columns: ['Year', 'Dates', 'Champion', 'Country', 'Score', 'Purse (¥)', "Winner's share (¥)"]
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: [2012.0, 'Oct 4–7', 'Yuta Ikeda', 'Japan', '271 (–17)', 150000000.0, 30000000.0]
SQL:

assistant: SELECT MIN("Winner's share (¥)") FROM "Table" WHERE "Year" = 2011.0;