user: Question: What are all sail numbers for the yacht Yendys?
Columns: ['Position', 'Sail number', 'Yacht', 'State/country', 'Yacht type', 'LOA (Metres)', 'Skipper', 'Corrected time d:hh:mm:ss']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'US60065', 'Rosebud', 'USA', 'STP 65', '20.00', 'Roger Sturgeon', '3:09:32:14']
SQL:

assistant: SELECT "Sail number" FROM "Table" WHERE "Yacht" = 'Yendys';