355811
The studio is one story high with a recessed skylight , and was designed by Baltimore architect Howard Sill and constructed in 1906 ; the residence is two stories tall plus a high , steep mansard story which was added in 1912 .
 Baltimore
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Baltimore