What was the quantity of the fleet information for DWWR 50 and 51?
CREATE TABLE table_14673 (
    "Type" text,
    "Fleet numbers" text,
    "Quantity made" text,
    "Date made" text,
    "GSR Class" text,
    "Inchicore Class" text,
    "GSR Nos." text,
    "Withdrawn" text
)
SELECT "Quantity made" FROM table_14673 WHERE "Fleet numbers" = 'dwwr 50 and 51'
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 was the quantity of the fleet information for DWWR 50 and 51? ### Input: CREATE TABLE table_14673 (
    "Type" text,
    "Fleet numbers" text,
    "Quantity made" text,
    "Date made" text,
    "GSR Class" text,
    "Inchicore Class" text,
    "GSR Nos." text,
    "Withdrawn" text
) ### Response: SELECT "Quantity made" FROM table_14673 WHERE "Fleet numbers" = 'dwwr 50 and 51'