What medium was used for the sculpture of George Harold Baker? 
CREATE TABLE table_20903658_1 (medium VARCHAR, title_subject VARCHAR)
SELECT medium FROM table_20903658_1 WHERE title_subject = "George Harold Baker"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20903658_1 (medium VARCHAR, title_subject VARCHAR) Question: What medium was used for the sculpture of George Harold Baker?  [/INST] SELECT medium FROM table_20903658_1 WHERE title_subject = "George Harold Baker" </s>