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_11 (pci_express VARCHAR, memory VARCHAR, sound VARCHAR)
  ### Question:
  Which PCI-Express has a DDR 266/333/400 Registered/ECC memory and Enhanced AC'97 2.3 sound?
  ### Answer:
  SELECT pci_express FROM table_name_11 WHERE memory = "ddr 266/333/400 registered/ecc" AND sound = "enhanced ac'97 2.3"