Which Date has a Builder of alco schenectady, and a Number larger than 835, and Works number of 56566?
CREATE TABLE table_5557 (
    "Number" real,
    "Builder" text,
    "Type" text,
    "Date" real,
    "Works number" real
)
SELECT AVG("Date") FROM table_5557 WHERE "Builder" = 'alco schenectady' AND "Number" > '835' AND "Works number" = '56566'
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: Which Date has a Builder of alco schenectady, and a Number larger than 835, and Works number of 56566? ### Input: CREATE TABLE table_5557 (
    "Number" real,
    "Builder" text,
    "Type" text,
    "Date" real,
    "Works number" real
) ### Response: SELECT AVG("Date") FROM table_5557 WHERE "Builder" = 'alco schenectady' AND "Number" > '835' AND "Works number" = '56566'