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_54 (killed INTEGER, perpetrator VARCHAR)
### Question:
What is the average number of people killed with a Perpetrator of wirjo, 42?
### Answer:
SELECT AVG(killed) FROM table_name_54 WHERE perpetrator = "wirjo, 42"