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_2155350_2 (cab_size VARCHAR, category VARCHAR)
  ### Question:
  Name the number of cab size for 4 medium tanker
  ### Answer:
  SELECT COUNT(cab_size) FROM table_2155350_2 WHERE category = "4 Medium tanker"