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_56 (part_number_s_ VARCHAR, l2_cache VARCHAR, frequency VARCHAR)
  ### Question:
  What's the part number of the processor that has an 1.8 ghz frequency and 2 × 256 kb L@ Cache?
  ### Answer:
  SELECT part_number_s_ FROM table_name_56 WHERE l2_cache = "2 × 256 kb" AND frequency = "1.8 ghz"