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_78 (part_1 VARCHAR, class VARCHAR)
  ### Question:
  what is part 1 when the class is 7d?
  ### Answer:
  SELECT part_1 FROM table_name_78 WHERE class = "7d"