1050
The city , has the remarkable dam bridge in Shushtar , built by Roman soldiers who had been captured after Valerian 's defeat in 260 .
 location: Shushtar; person: Valerian
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: Shushtar; person: Valerian