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 (wins VARCHAR, year VARCHAR, class VARCHAR, points VARCHAR, team VARCHAR)
  ### Question:
  How many wins for bikes with under 54 points, team yamaha, a 250cc bike, and before 1977?
  ### Answer:
  SELECT COUNT(wins) FROM table_name_90 WHERE points < 54 AND team = "yamaha" AND class = "250cc" AND year < 1977