9185
The series debuted in the early months of 1957 on Melbourne station HSV-7 and starred pianist Isador Goodman , with episodes also featuring a guest vocalist .
 person: Isador Goodman
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: Isador Goodman