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_30 (tries_against VARCHAR, try_diff VARCHAR, points_for VARCHAR)
  ### Question:
  How many Tries against has a Try diff of –17 and Points for smaller than 80?
  ### Answer:
  SELECT COUNT(tries_against) FROM table_name_30 WHERE try_diff = "–17" AND points_for < 80