You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: POP STARS 
Clue: He was backed by London's royal philharmonic concert orchestra on his 2010 tour, which he called "Symphonicity"
sting

Category: COLLEGE SPORTS HISTORY 
Clue: To prevent rivals from reading its hand signals, this university is said to have originated the huddle around 1892
gallaudet university

Category: THE COLD WAR 
Clue: 28 years apart, they are the year the Berlin Wall was created & the year it was torn down

1961 & 1989