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_90 (round INTEGER, player VARCHAR, pick VARCHAR)
  ### Question:
  What round was the player Ty Lawson with a pick earlier than 18?
  ### Answer:
  SELECT AVG(round) FROM table_name_90 WHERE player = "ty lawson" AND pick < 18