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 : Greta Knutson or Knutson-Tzara (also known as Greta Knutson; 1899--1983) was a Swedish modernist visual artist, art critic, short story writer and poet. 
Question : What was the date of death of Greta Knutson?
date of death

Context : Under the name Michael Abdul Malik, Michael X was the author of From Michael Freitas to Michael X (André Deutsch, 1968). 
Question : Which crime Michael X is considered to have commited?
convicted of

Context : Charles B. McVay, Jr. (September 9, 1868 -- October 28, 1949) was an admiral in the United States Navy after World War I. In 1907--1909, After the cruise of the Great White Fleet, he commanded the tender, Yankton. 
Question : What military branch was Charles B. McVay, Jr. in?

military branch