What's the average Year with an Issue Price (Proof) of $49.95, and Artist of W.H.J. Blakemore?
CREATE TABLE table_name_19 (year INTEGER, issue_price__proof_ VARCHAR, artist VARCHAR)
SELECT AVG(year) FROM table_name_19 WHERE issue_price__proof_ = "$49.95" AND artist = "w.h.j. blakemore"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_19 (year INTEGER, issue_price__proof_ VARCHAR, artist VARCHAR) Question: What's the average Year with an Issue Price (Proof) of $49.95, and Artist of W.H.J. Blakemore? [/INST] SELECT AVG(year) FROM table_name_19 WHERE issue_price__proof_ = "$49.95" AND artist = "w.h.j. blakemore" </s>