40041
According to David Sirota , who was a strategist for Schweitzer in both 2000 and 2004 and who now lives in Helena , the swing vote in the state is in and around Billings , the state 's largest city .
 David Sirota, Helena
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 David Sirota, Helena