1830
Examples of such masonry dams are the two largest : the Oker Dam and the Rappbode Dam .
 location: Oker Dam; location: Rappbode Dam
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: Oker Dam; location: Rappbode Dam