CREATE TABLE table_20797 ("School Year" CLOB, "Volleyball" CLOB, "Cross Country" CLOB, "Soccer" CLOB, "Tennis" CLOB, "Golf" CLOB, "Basketball" CLOB, "Swimming" CLOB, "Softball" CLOB, "Track & Field" CLOB)

who won tennis when ashland won softball and wooster won volleybal
SELECT "Tennis" FROM table_20797 WHERE "Softball" = 'Ashland' AND "Volleyball" = 'Wooster'
SELECT "Tennis" FROM "table_20797" WHERE "Softball" = 'Ashland' AND "Volleyball" = 'Wooster'