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: In March 1884, Lt. Vreeland began a three-year tour at sea aboard the sloop-of-war , after which he was assigned for two years at the Bureau of Navigation. Link Information: The U.S. Navy's Bureau of Navigation was established in 1862 as part of the reorganization of the Navy Department Answer: 1862

SOLUTION: When was the bureau established that Lt. Vreeland was assigned after a three-year tour at sea aboard the sloop-of-war

PROBLEM: Context: built for the manufacture of wooden pulleys, invented by Henry Maudslay, and the site of the world's first industrial assembly line in 1803 Link Information: Henry Maudslay (pronunciation and spelling) (22 August 1771 Answer: 32

SOLUTION:
How old was the inventor of wooden pulleys when the world's first assembly line launched?