8949
By February 2002 he had won the Canadian Alliance party nomination for the riding of Calgary Southwest , but stepped aside after public pressure so that new party leader Stephen Harper could run there in a 2002 by-election .
 organization: Canadian Alliance; location: Calgary Southwest; person: Stephen Harper
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Canadian Alliance; location: Calgary Southwest; person: Stephen Harper