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_76 (number_of_vehicles VARCHAR, type_designation VARCHAR)
### Question:
Which Number of vehicles has a Type designation of u5-25 (bi-directional)?
### Answer:
SELECT number_of_vehicles FROM table_name_76 WHERE type_designation = "u5-25 (bi-directional)"