instruction:
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.
question:
Who developed a method to mass-produce steel in america?
answer:
Who patented a method to mass-produce steel in America? 
 Henry Bessemer


question:
When did the volcano in tenerife last erupt?
answer:
When did the volcano Chahorra o Narices del Teide in tenerife last erupt? 
 1798


question:
Who wrote i left my heart in san francisco?
answer:

Who wrote the music to "I Left My Heart In San Francisco"? 
 George Cory