In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Let me give you an example: Context: During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. Link Information: Operation Market Garden was a failed World War II military operation fought in the Netherlands from 17 to 25 September 1944. Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin?
The answer to this example can be: from 17 to 25 September 1944
Here is why: The context describes the 704th's actions during Operation Market Garden, and the answer specifies when the operation happened.

OK. solve this:
Context: The son of the Russian-born drawing master and watercolourist, Alexander Cozens, John Robert Cozens was born in London. Link Information: Alexander Cozens was born in St. Petersburg, Russia.  Question: What city in Russia was Cozens born?
Answer:
Answer: St. Petersburg