4171
In December 1980 , he married Lalla Ward , who had co-starred in " Doctor Who " as his character 's companion Romana .
 person: Lalla Ward; person: Romana
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:
 person: Lalla Ward; person: Romana