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: 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

SOLUTION: How many sales are required to get the certification from the RIAA that Enjoy Yourself recieved in 1989?

PROBLEM: Context: Don was voiced by Brian Stack in "Piranha Germs" Link Information: Among the characters he has portrayed: Answer: Dick Cheney

SOLUTION: How many other characters has the voice actor for Don in "Piranha Germs" played?

PROBLEM: Context: However, the Japanese Maritime Self-Defense Force (JMSDF) Link Information: face legal problems Answer: 1954

SOLUTION:
When was the was the body facing potential legal problems established?