Conversation so far:
how far is dayton ohio from springfield ohio
There are 23.30 miles from Springfield to Dayton in southwest direction and 27 miles by car, following the I-70 route, 30 minutes far apart, if you drive non-stop.
does dayton ohio have any nicknames
Dayton, Ohio, is also known as The Gem City and the Birthplace of Aviation.
why is dayton ohio called the gem city
Dayton is known as the Gem City. The nickname's origin is uncertain, but several theories exist. In the early 19th century, a well-known racehorse named Gem hailed from Dayton.
are the wright brothers from dayton ohio
Dayton, Ohio is noted for its association with aviation; the city is home to the National Museum of the United States Air Force and is the birthplace of Orville Wright.

Question: what is the population
Self-contained rewrite: what is the population of dayton ohio