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_54 (entered_service VARCHAR, locomotive VARCHAR)
  ### Question:
  What is the Entered service date of the H1 Locomotive?
  ### Answer:
  SELECT entered_service FROM table_name_54 WHERE locomotive = "h1"