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_17 (number_of_deputies INTEGER, number_of_votes_received VARCHAR, election_date VARCHAR)
  ### Question:
  What was deputies with the lowest number of unknown received votes, in an election year after 1986?
  ### Answer:
  SELECT MIN(number_of_deputies) FROM table_name_17 WHERE number_of_votes_received = "unknown" AND election_date > 1986