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The Silver River , aka the Big Silver River and Big Silver Creek , or zácta in the St ' at ' imcets language of the In-SHUCK-ch people , is the second-largest stream entering Harrison Lake in the Lower Mainland of British Columbia , Canada ( the largest is the Lillooet River , at the head of the lake ) .
 British Columbia, Canada
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 British Columbia, Canada