Detailed Instructions: In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
See one example below:
Problem: What does the dc in Washington DC stand for?
Solution: District of Columbia
Explanation: Washington, DC, isn't a state; it's a district. DC stands for District of Columbia.

Problem: Who have taken hattrick in both innings of test match?
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Thomas James Matthews