91615
The island also houses the power station , Singapore 's first offshore Japan , which was built in phases on the former Pulau Seraya since 1986 .
 Singapore, Japan, Pulau Seraya
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Singapore, Japan, Pulau Seraya