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_16849531_2 (ncbi_accession_number__mrna_protein_ VARCHAR, length__bp_aa_ VARCHAR)
  ### Question:
  What is the NCBI Accession Number for the length of 5304bp/377aa?
  ### Answer:
  SELECT ncbi_accession_number__mrna_protein_ FROM table_16849531_2 WHERE length__bp_aa_ = "5304bp/377aa"