QUES: Q: How many possible codons are there?
A: There are 64 possible codons (four possible nucleotides at each of three positions, hence 43 possible codons) and only 20 standard amino acids; hence the code is redundant and multiple codons can specify the same amino acid.
Does the answer answer the question?

ANS: yes

QUES: Q: Why did different sects come about within Shiism?
A: Within Shia Islam (Shiism), the various sects came into being because they differed over their Imams' successions, just as the Shia - Sunni separation within Islam itself had come into being from the dispute that had arisen over the succession to Muhammad.
Does the answer answer the question?

ANS: yes

QUES: Q: Who was the head of the OPC?
A: To this end, the Office of Policy Coordination was created inside the new CIA.
Does the answer answer the question?

ANS: no

QUES: Q: During World War II, the Soviet double agent who was corresponding for The Times in Spain in the 1930s later joined what agency?
A: He later joined MI6 during World War II, was promoted into senior positions after the war ended, then eventually defected to the Soviet Union in 1963.
Does the answer answer the question?

ANS:
yes