CREATE TABLE table_16423070_4 (volleyball VARCHAR, school_year VARCHAR, basketball VARCHAR, swimming VARCHAR)

Who won volleyball when west holmes won basketball and wooster won swimming in 2011-12
SELECT volleyball FROM table_16423070_4 WHERE basketball = "West Holmes" AND swimming = "Wooster" AND school_year = "2011-12"
SELECT "volleyball" FROM "table_16423070_4" WHERE "2011-12" = "school_year" AND "West Holmes" = "basketball" AND "Wooster" = "swimming"