The conversation between human and AI assistant.
[|Human|] Extract the names of the climbers who pioneered The Nose route on El Captain.  List them in order by date first and then alphabetically by last name.  Format them {Year} - {Name}.  Separate the pairs with a semicolon.
[|AI|] 1958 - Warren Harding; 1958 - Wayne Merry; 1958 - George Whitmore; 1960 - Joe Fitschen; 1960 - Tom Frost; 1960 - Chuck Pratt; 1960 - Royal Robbins; 1969 - Tom Bauman; 1975 - Jim Bridwell; 1975 - John Long; 1975 - Billy Westbay
[|Human|] 
Extract the names of the climbers who pioneered The Nose route on El Captain.  List them in order by date first and then alphabetically by last name.  Format them {Year} - {Name}.  Separate the pairs with a semicolon.