instruction:
Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
question:
Oedipus and the Sphinx is an 1864 oil on canvas painting by Gustave Moreau that was first exhibited at the French Salon of 1864 where it was an immediate success.
answer:
What is the surface of Oedipus and the Sphinx made of?


question:
The Kaiser Shipyards were seven major shipbuilding yards located on the U.S. west coast during World War II. Kaiser ranked 20th among United States corporations in the value of wartime production contracts.
answer:
Which industry is Kaiser Shipyards associated with?


question:
That year the chocolate magnate Peter Ludwig agreed to endow 350 modern artworks--then valued at $45 million --and in return the City of Cologne committed itself to build a dedicated ''Museum Ludwig'' for works made after the year 1900.
answer:

The Museum Ludwig was named for whom?