Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
--------
Question: Einsteinium was discovered as a component of the debris of the first hydrogen bomb explosion in 1952, and named after Albert Einstein.

Answer: When was Einsteinium first discovered?

Question: In the county, the population was spread out with 23.20% under the age of 18, 7.70% from 18 to 24, 27.00% from 25 to 44, 28.00% from 45 to 64, and 14.10% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 97.00 males. For every 100 females age 18 and over, there were 96.40 males.

Answer: Which age group had the most people?

Question: Copper of Kargaly origin was distributed during Bronze Age over a vast territory within the steppe and forest-steppe of Eastern Europe.

Answer:
What is the product of Kargaly?