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.

[Q]: Category: IN THE NEWS 
Clue: In 1951 Elizabeth II attended one of these in Canada; she attended her next one, also in Canada, on October 6, 2002
[A]: hockey game


[Q]: Category: THE 1970s 
Clue: G. Gordon Liddy, E. Howard Hunt & Egil Krogh were nicknamed this because they "plugged leaks"
[A]: plumbers


[Q]: Category: WORLD LEADERS 
Clue: This woman, elected president of Ireland in 1990, used a 1968 Simon & Garfunkel hit in her campaign
[A]:
mary robinson