user: Question: What is the total laps for the year 2011?
Columns: ['Year', 'Team', 'Co-Drivers', 'Class', 'Laps', 'Pos.', 'Class Pos.']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: [2001.0, 'Viper Team Oreca', 'Yannick Dalmas Franck Montagny', 'LMP900', 126.0, 'DNF', 'DNF']
SQL:

assistant: SELECT SUM("Laps") FROM "Table" WHERE "Year" = 2011.0;