What is the intro date for the interface that equals pci?
CREATE TABLE table_31330 (
    "Manufacturer" text,
    "Model" text,
    "Intro Date" text,
    "Interface" text,
    "OS" text,
    "Price (USD)" real,
    "Price" text,
    "Throughput" text
)
SELECT "Intro Date" FROM table_31330 WHERE "Interface" = 'PCI'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the intro date for the interface that equals pci? ### Input: CREATE TABLE table_31330 (
    "Manufacturer" text,
    "Model" text,
    "Intro Date" text,
    "Interface" text,
    "OS" text,
    "Price (USD)" real,
    "Price" text,
    "Throughput" text
) ### Response: SELECT "Intro Date" FROM table_31330 WHERE "Interface" = 'PCI'