Detailed Instructions: Generate a correct and concise answer for the question based on the words in the context.
Problem:Context : The Winnenden school shooting occurred on the morning of 11 March 2009 at a secondary school in Winnenden, Baden-Wurttemberg, in southwestern Germany, followed by a shootout at a car dealership in nearby Wendlingen.
Question : What date is associated with Winnenden school shooting?
Solution:
11 March 2009