Title: To Kill a Mockingbird.
Question: Who does the cooking at the Finch's house?

Title: Pesticide.
Question: On estimate how many megatonnes of pesticides were used between 2006 and 2007?

Title: Circadian rhythm.
Question: What is the time of lowest temperature for evening type young adults?

Title: Frederic Chopin.
Question:
The Duchy of Warsaw was created by whom?