CREATE TABLE table_49297 ("Trident" CLOB, "Gecko" CLOB, "WebKit" CLOB, "KHTML" CLOB, "Presto" CLOB, "Prince XML" CLOB)

What is the Prince XML value for the engine that has a Gecko value of 'no' and webkit value of 'nightly build'?
SELECT "Prince XML" FROM table_49297 WHERE "Gecko" = 'no' AND "WebKit" = 'nightly build'
SELECT "Prince XML" FROM "table_49297" WHERE "Gecko" = 'no' AND "WebKit" = 'nightly build'