Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : He proposes the Sanchi stupa was destroyed by Pushyamitra Shunga, but later restored by his successor Agnimitra. 
Question : Who is the offspring of Pushyamitra Shunga?
[EX A]: Agnimitra

[EX Q]: Context : Masood Aslam was awarded the civilian medal of Hilal-i-Imtiaz after retirement for his achievements in bringing peace to the northwestern Pakistan. 
Question : What award was received by Masood Aslam?
[EX A]: Hilal-i-Imtiaz

[EX Q]: Context : The 1991 Uttarkashi earthquake occurred on 20 October 1991 in the Uttarkashi and Gharwal regions of the Indian state of Uttarakhand. 
Question : When did 1991 Uttarkashi earthquake occurr?
[EX A]:
20 October 1991