Input: who is known as the first and last female rules of the delhi sultanate?

Output: Razia Sultana

Input: highest goal scorer in nigeria premier league 2017?

Output: Anthony Okpotu

Input: who came up with the idea to build the transcontinental railroad?

Output: Dr. Hartwell Carver

Input: how many episodes are there in season 3 of animal kingdom?

Output:
13