In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.

[EX Q]: When does the regular season of nhl start?
[EX A]: When does the 2017-2018 regular season of nhl start? 
 October 4, 2017

[EX Q]: Who has won the 2017 women's single korea open super series badminton tournament?
[EX A]: Which person has won the 2017 women's single korea open super series badminton tournament? 
 Pusarla Venkata Sindhu

[EX Q]: What is the new tallest building in san francisco?
[EX A]:
What is the new tallest building in san francisco in 1972? 
 Transamerica Pyramid