You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.
Q: How many rivers are there in democraticrepublic of congo ?
Where is winstion churchill buried ?
How do you chang a 2002 ford focus svt headlight bulb ?
Becoming a pharmaceutical sales representative ?
A: 
Where is winstion churchill buried ?