30759
The last conquest brought them to the mouth of the Ebro and gave them raiding access to Valencia , prompting the Emir al-Hakam I to recognise their conquests in 813 .
 location: Ebro; location: Valencia; person: al-Hakam I
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Ebro, Valencia, al-Hakam I 
Answer:
 location: Ebro; location: Valencia; person: al-Hakam I