You will be given a definition of a task first, then some input of the task.
Generate a correct and concise answer for the question based on the words in the context.

Context : Android Karenina is a 2010 parody novel written by Ben H. Winters and based on Anna Karenina by Leo Tolstoy.
Question : The Android Karenina is based upon what?
Output:
Anna Karenina