TASK DEFINITION: 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.
PROBLEM: Context : The Music Lesson or Lady at the Virginals with a Gentleman by Johannes Vermeer, also known as Jan Vermeer, is a painting of young female pupil receiving the titular music lesson. 
Question : What is the name of the place where The Music Lesson can be found?

SOLUTION: collection

PROBLEM: Context : Wolfgang Kretzschmar (2 July 1907 -- 27 December 1944) was a German officer serving during World War II and recipient of the coveted Knight's Cross of the Iron Cross with Oak Leaves and Swords (German: Ritterkreuz des Eisernen Kreuzes mit Eichenlaub und Schwertern). 
Question : In which war did Wolfgang Kretzschmar serve?

SOLUTION: conflict

PROBLEM: Context : Not.com.mercial (2000), the singer's first album mostly written by herself, presents a ``1970s singer-songwriter feel'' that proves ``Cher adept in the role of storyteller'', according to AllMusic's Jose F. Promis. 
Question : Where did Cher study or work?

SOLUTION:
educated at