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_28035004_1 (operator VARCHAR, bodybuilder VARCHAR)
### Question:
Who is the operator when willowbrook was the bodybuilder?
### Answer:
SELECT operator FROM table_28035004_1 WHERE bodybuilder = "Willowbrook"