TASK DEFINITION: In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
PROBLEM: Context: hile other distant relatives included Senator J.M. Howard and President William Howard Taft. Link Information: William Howard Taft (September 15, 1857 – March 8, 1930) was the 27th president of the United States (1909–1913) Answer: 4

SOLUTION: How many years was Taft president?

PROBLEM: Context: On 17 April 2010, the president of German airline Air Berlin, in an interview with the newspaper Bild am Sonntag, stated that the risks for flights due to this volcanic haze were nonexistent, because the assessment was based only on a computer simulation produced by the VAAC. Link Information: On 17 April 2010, the president of German airline Air Berlin, in an interview with the newspaper Bild am Sonntag, stated that the risks for flights due to this volcanic haze were nonexistent Answer: 3548000

SOLUTION: How many subscribers did the newspaper Bild am Sonntag have the year that the president of German airline Air Berlin, in an interview with the newspaper stated that the risks for flights due to this volcanic haze were nonexistent?

PROBLEM: Context: Lisziewicz worked to find a gene therapy approach to treat HIV/AIDS Link Information: none Answer: none

SOLUTION:
What year was the first case of HIV/AIDS reported?