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_13 (number_of_doses VARCHAR, vaccine VARCHAR)
### Question:
How many doses for the bacillus calmette-guérin?
### Answer:
SELECT number_of_doses FROM table_name_13 WHERE vaccine = "bacillus calmette-guérin"