536
The star was first observed by the SuperWASP program in 2006 ; future measurements in 2007 and 2008 , as well as follow-up observations and analysis , eventually led to the discovery of WASP-15b using the transit method and Doppler spectroscopy .
 organization: SuperWASP
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:
 organization: SuperWASP