7280
It covers an area of , nearly the same as that of San Francisco and is expected to expand to and a population of 5 million by 2020 .
 location: San Francisco
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: San Francisco