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On October 19 1974 district residents approved a $ 22 million referendum which provided funds for a sixth high school ; an addition to  Schaumburg High School  which increased its capacity to students ; the addition of auditoriums and pools at Conant  Schaumburg  and Fremd High Schools ; a pool at Hoffman Estates High School ; and a District warehouse .
 city of headquarters: Schaumburg High School, Schaumburg
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Schaumburg High School, Schaumburg 
Answer:
 city of headquarters: Schaumburg High School, Schaumburg