user: What do you know about the city of Aberdeen in Scotland?

assistant: Aberdeen is a city located in the North East of Scotland. As of 2020 it had a population of 200,000 people and is the third largest city in Scotland, behind Edinburgh (435,000) and Glasgow (610,000). Aberdeen has been referred to as "The Silver City" due to the high number of buildings in the city constructed of Granite from the local quarry, which may sparkle on the rare occasion that the sunlight hits the buildings.  Since the 1960's the city's economy has largely revolved around Oil & Gas due to its proximity to the North Sea Oil discovery.   Aberdeen has two universities; the University of Aberdeen and Robert Gordon University. Notable people who have been associated with Aberdeen include singer Annie Lennox, golfer Paul Lawrie and architect Archibald "Archie" Simpson.

user: What programming language does Spark support?

assistant: Apache Spark has built-in support for Scala, Java, SQL, R, and Python. It also supports 3rd party programming language such as .NET CLR, Julia and more.

user: What is the most invaded country in history?

assistant: The most invaded country in history is difficult to determine definitively as there are many variables to consider. However, one country that has been invaded numerous times throughout its history is Poland. Poland has a long history of being invaded and occupied by various neighboring powers. In the 18th century, it was partitioned three times by Russia, Prussia, and Austria, and ceased to exist as an independent state for over a century

During World War II, Poland was invaded and occupied by Nazi Germany, resulting in the deaths of over six million Polish citizens, including three million Jews who were murdered in the Holocaust. Following the war, Poland became a satellite state of the Soviet Union and was occupied by Soviet forces until the fall of the Soviet Union in 1989.

Throughout its history, Poland has also been invaded by other powers, including the Mongols, Teutonic Knights, and Ottoman Empire, among others. The country's location in central Europe, as well as its fertile land and valuable resources, have made it a target for invasion throughout history.

Overall, while there is no definitive answer to which country has been the most invaded in history, Poland's history of being invaded and occupied by numerous neighboring powers makes it a strong contender for this title.