What's the approximate number of HUs when there are more than 2 digits, and 6 levels?
CREATE TABLE table_41894 (
    "Name" text,
    "Level" real,
    "Digits" real,
    "Average size (square miles)" text,
    "Number of HUs (approximate)" real,
    "Example name" text,
    "Example code (HUC)" real
)
SELECT COUNT("Number of HUs (approximate)") FROM table_41894 WHERE "Digits" > '2' AND "Level" = '6'
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's the approximate number of HUs when there are more than 2 digits, and 6 levels? ### Input: CREATE TABLE table_41894 (
    "Name" text,
    "Level" real,
    "Digits" real,
    "Average size (square miles)" text,
    "Number of HUs (approximate)" real,
    "Example name" text,
    "Example code (HUC)" real
) ### Response: SELECT COUNT("Number of HUs (approximate)") FROM table_41894 WHERE "Digits" > '2' AND "Level" = '6'