2440
Wilson was first elected to city council in a 1990 by-election after incumbent councillor  David Christopherson  was elected to the Legislative Assembly of  Ontario  .
 employee of: David Christopherson, Ontario
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 employee of: David Christopherson, Ontario