11530
During the 1960 s , he appeared on TV specials alongside such artists as Julie Andrews , Petula Clark , Lena Horne , and Nana Mouskouri .
 person: Julie Andrews; person: Petula Clark; person: Lena Horne; person: Nana Mouskouri
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: Julie Andrews; person: Petula Clark; person: Lena Horne; person: Nana Mouskouri