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_166346_1 (region VARCHAR, production___bbl__day_ VARCHAR)
  ### Question:
  Which regions had a production (bbl/day) of 1,213,000 (21st)?
  ### Answer:
  SELECT region FROM table_166346_1 WHERE production___bbl__day_ = "1,213,000 (21st)"