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]: Light emitting diod mean ?
How did Nelson Mandela played in abolishing apartheid ?
How big is nano technology ?
Why is genome sequencing important ?
[A]: Why is genome sequencing important ?

[Q]: Some examples of protists are ?
Who was vp of roosevelt ?
How many miles is a 10k miles ?
What is miley cyrus 's favourtie color ?
[A]: What is miley cyrus 's favourtie color ?

[Q]: How many heart chambers are there in a mammal such as a animal ?
How many halloween films were there made ?
What continent is Shanghai located ?
Fuse box located 2003 gmc envoy ?
[A]:
How many halloween films were there made ?