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_48 (lane INTEGER, heat_rank VARCHAR)
  ### Question:
  In heat rank 7, what is the sum of lanes?
  ### Answer:
  SELECT SUM(lane) FROM table_name_48 WHERE heat_rank = 7