user: Question: What is the lowest Lane, when Mark is 7.66?
Columns: ['Lane', 'Name', 'Country', 'Mark', 'React']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [6.0, 'Liu Xiang', 'China', '7.46 SB', 0.217]
SQL:

assistant: SELECT MIN("Lane") FROM "Table" WHERE "Mark" = '7.66';