Given the task definition and input, reply with output. Generate a correct and concise answer for the question based on the words in the context.

Context : Portrait of Mlle Rachel is an oil painting on millboard by English artist William Etty, painted during the 1840s and currently in the York Art Gallery. 
Question : What is the name of the place where Portrait of Mlle Rachel can be found?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
York Art Gallery