Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_6 (gecko VARCHAR, prince_xml VARCHAR, khtml VARCHAR)
### Question:
What is the Gecko value for the item that has a Prince XML value of 'no' and a KHTML value of 'yes'?
### Answer:
SELECT gecko FROM table_name_6 WHERE prince_xml = "yes" AND khtml = "yes"