In 1879-81 with number built 4, what is the LMS nos?
CREATE TABLE table_40985 (
    "Class" real,
    "Date" text,
    "Builder" text,
    "No. built" real,
    "1919 nos." text,
    "LMS Class" text,
    "LMS nos." text
)
SELECT "LMS nos." FROM table_40985 WHERE "Date" = '1879-81' AND "No. built" = '4'
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: In 1879-81 with number built 4, what is the LMS nos? ### Input: CREATE TABLE table_40985 (
    "Class" real,
    "Date" text,
    "Builder" text,
    "No. built" real,
    "1919 nos." text,
    "LMS Class" text,
    "LMS nos." text
) ### Response: SELECT "LMS nos." FROM table_40985 WHERE "Date" = '1879-81' AND "No. built" = '4'