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_222448_1 (percentage_yield VARCHAR, dpmo VARCHAR)
  ### Question:
  What is the percentage yield for a DPMO of 3.4?
  ### Answer:
  SELECT percentage_yield FROM table_222448_1 WHERE dpmo = "3.4"