Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_4 (quantity_made VARCHAR, fleet_numbers VARCHAR)
### Question:
What was the quantity of the fleet information for DWWR 50 and 51?
### Answer:
SELECT quantity_made FROM table_name_4 WHERE fleet_numbers = "dwwr 50 and 51"