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_3 (casualties VARCHAR, intensity VARCHAR, epicenter VARCHAR)
### Question:
How many casualties were in the earthquake with an unknown intensity and an epicenter in the bouïra province?
### Answer:
SELECT casualties FROM table_name_3 WHERE intensity = "unknown" AND epicenter = "bouïra province"