instruction:
This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
question:
The oldest evidence of burial customs in the Horn of Africa comes from cemeteries in Somalia dating back to 4th millennium BC. The stone implements from the Jalelo site in northern Somalia are said to be the most important link in evidence of the universality in palaeolithic times between the East and the West.
answer:
In what country is the oldest evidence of ceremonial burial in the Horn of Africa located?


question:
The emergence of Susa as a city, as determined by radiocarbon dating, dates back to early 4,395 BC. There are dozens of prehistoric sites across the Iranian plateau, pointing to the existence of ancient cultures and urban settlements in the 4th millennium BC. During the Bronze Age, Iran was home to several civilizations including Elam, Jiroft, and Zayande River. Elam, the most prominent of these civilizations, developed in the southwest of Iran, alongside those in Mesopotamia. The emergence of writing in Elam was paralleled to Sumer, and the Elamite cuneiform was developed since the 3rd millennium BC.
answer:
What ancient city dates back as early as 4395 BC in Iran?


question:
The city of Richmond operates 28 elementary schools, nine middle schools, and eight high schools, serving a total student population of 24,000 students. There is one Governor's School in the city − the Maggie L. Walker Governor's School for Government and International Studies. In 2008, it was named as one of Newsweek magazine's 18 "public elite" high schools, and in 2012, it was rated #16 of America's best high schools overall. Richmond's public school district also runs one of Virginia's four public charter schools, the Patrick Henry School of Science and Arts, which was founded in 2010.
answer:

How many high schools are there in Richmond?