Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Context : Æthelswith (c. 838-888) was the only known daughter of King Æthelwulf of Wessex. 
Question : What is Æthelswith's spouse's name?
spouse

Context : No Other Woman is a 2011 Filipino romantic drama film starring Anne Curtis, Derek Ramsay, and Cristine Reyes. 
Question : The production company responsible for No Other Woman is what?
production company

Context : A Nghu Night Falls is a Vietnam War novel by David Sherman published in 1988 by the Ivy Book imprint of Ballantine Books. 
Question : Which place is A Nghu Night Falls in?

narrative location