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.

Example Input: Context: as the frigate RVNS Trần Bình Trọng (HQ-05) and fought in the Battle of the Paracel Islands in 1974. Link Information: he Battle of the Paracel Islands was a military engagement between the naval forces of China and South Vietnam in the Paracel Islands on January 19, 1974. Answer: 1
Example Output: How long did the Battle of the Paracel Island last for?

Example Input: Context: On February 14, 1989, it became the group's first single to be certified Platinum by the RIAA. Link Information: Reflecting growth in record sales, the Platinum award was added in 1976, for albums able to sell one million units, and singles selling two million units. Answer: for albums able to sell one million units, and singles selling two million units
Example Output: How many sales are required to get the certification from the RIAA that Enjoy Yourself recieved in 1989?

Example Input: Context: In 1969, the Padres joined the ranks of Major League Baseball as one of four new expansion teams, along with the Montreal Expos (now the Washington Nationals), the Kansas City Royals, and the Seattle Pilots (now the Milwaukee Brewers) Link Information: none Answer: none
Example Output:
Which of the four expansion teams had the best record in their first year?