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_92 (frequency_mhz VARCHAR, erp_w VARCHAR, call_sign VARCHAR)
  ### Question:
  Which Frequency MHz has an ERP W larger than 4, and a Call sign of w218ap?
  ### Answer:
  SELECT frequency_mhz FROM table_name_92 WHERE erp_w > 4 AND call_sign = "w218ap"