user: Question: What is the Gecko value for the item that has a Prince XML value of 'no' and a KHTML value of 'Yes'?
Columns: ['Trident', 'Gecko', 'WebKit', 'KHTML', 'Presto', 'Prince XML']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['7.0', '1.0', '85', 'Yes', '1.0', 'Yes']
SQL:

assistant: SELECT "Gecko" FROM "Table" WHERE "Prince XML" = 'Yes' AND "KHTML" = 'Yes';