QUES: Q: Who has executive authority in Saint Helena?
A: The Governor is appointed by the Queen on the advice of the British government.
Does the answer answer the question?

ANS: no

QUES: Q: When did the first public HDTV broadcast happen in the US?
A: The first public HDTV broadcast in the United States occurred on July 23, 1996 when the Raleigh, North Carolina television station WRAL-HD began broadcasting from the existing tower of WRAL-TV southeast of Raleigh, winning a race to be first with the HD Model Station in Washington, D.C., which began broadcasting July 31, 1996 with the callsign WHD-TV, based out of the facilities of NBC owned and operated station WRC-TV.
Does the answer answer the question?

ANS: yes

QUES: Q: As of 3/3/2016, how many active aircraft carriers are there worldwide?
A: As of 3 March 2016, there are thirty-seven active aircraft carriers in the world within twelve navies.
Does the answer answer the question?

ANS: yes

QUES: Q: How many solider were killed in September when Islamic militants escaped?
A: However, fighting erupted again in July 2012.
Does the answer answer the question?

ANS:
no