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_10408617_5 (prefixes VARCHAR, scheme VARCHAR, approx_premium VARCHAR)
  ### Question:
  What prefixes are priced at pence per minute, fixed at all times with a premium of 3p/min?
  ### Answer:
  SELECT prefixes FROM table_10408617_5 WHERE scheme = "Pence per minute, fixed at all times" AND approx_premium = "3p/min"