text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  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?
  ### Answer:
  SELECT AVG(year) FROM table_name_19 WHERE issue_price__proof_ = "$49.95" AND artist = "w.h.j. blakemore"