user: Question: What's listed for the Turnout % with a Ngilu of 3,429?
Columns: ['Province', 'Kibaki', 'Raila', 'Wamalwa', 'Ngilu', 'Others', 'Registered Voters', 'Turnout %']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Central', '891,484', '6,869', '3,058', '30,535', '9,347', '1,346,189', '74.1%']
SQL:

assistant: SELECT "Turnout %" FROM "Table" WHERE "Ngilu" = '3,429';