user: Question: What lane has a time of 1:57.71?
Columns: ['Rank', 'Lane', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 4.0, 'Federica Pellegrini', 'Italy', '1:57.23']
SQL:

assistant: SELECT "Lane" FROM "Table" WHERE "Time" = '1:57.71';