7479
The pipeline owned by the Canadian company  Enbridge  carried mostly heavy viscous crude from tar sands fields in  Alberta  Canada bound for Midwestern refineries .
 state or province of headquarters: Enbridge, Alberta
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:  Enbridge, Alberta 
Answer:
 state or province of headquarters: Enbridge, Alberta