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_16423070_4 (volleyball VARCHAR, school_year VARCHAR, basketball VARCHAR, swimming VARCHAR)
### Question:
Who won volleyball when west holmes won basketball and wooster won swimming in 2011-12
### Answer:
SELECT volleyball FROM table_16423070_4 WHERE basketball = "West Holmes" AND swimming = "Wooster" AND school_year = "2011-12"