TASK DEFINITION: This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
PROBLEM: Sisvel S.p.A. and its U.S. subsidiary Audio MPEG, Inc. previously sued Thomson for patent infringement on MP3 technology, but those disputes were resolved in November 2005 with Sisvel granting Thomson a license to their patents. Motorola followed soon after, and signed with Sisvel to license MP3-related patents in December 2005. Except for three patents, the US patents administered by Sisvel had all expired in 2015, however (the exceptions are: U.S. Patent 5,878,080, expires February 2017, U.S. Patent 5,850,456, expires February 2017 and U.S. Patent 5,960,037, expires 9. April 2017.

SOLUTION: Who was sued for patent infringement on MP3 technology?

PROBLEM: Following the elections of 1973, the constitution of Swaziland was suspended by King Sobhuza II who thereafter ruled the country by decree until his death in 1982. At this point Sobhuza II had ruled Swaziland for 61 years, making him the longest ruling monarch in history. A regency followed his death, with Queen Regent Dzeliwe Shongwe being head of state until 1984 when she was removed by Liqoqo and replaced by Queen Mother Ntfombi Tfwala. Mswati III, the son of Ntfombi, was crowned king on 25 April 1986 as King and Ingwenyama of Swaziland.

SOLUTION: In what year was the constitution of Swaziland suspended?

PROBLEM: On February 17, 2010, AF1 announced it would use the "Arena Football League" name. The league announced plans for the upcoming season and details of its contract with NFL Network to broadcast AFL games in 2010. AF1 teams were given the option of restoring historical names to their teams. In addition to the historical teams, the league added two new expansion franchises, the Dallas Vigilantes and the Jacksonville Sharks.

SOLUTION:
On what date did AF1 announce that it would be called the Arena Football League?