How many PATAs does an nForce Professional 3400 MCP have?
CREATE TABLE "comparison_of_nvidia_chipsets" (
  "model" text,
  "processors_supported" text,
  "fsb_ht_frequency_m_hz" text,
  "memory" text,
  "pci_express" text,
  "sata" real,
  "pata" real,
  "sound" text,
  "network" text,
  "features" text
);
SELECT SUM("pata") FROM "comparison_of_nvidia_chipsets" WHERE "model"='nforce professional 3400 mcp';