CREATE TABLE table_16423070_4 (basketball VARCHAR, cross_country VARCHAR, track_ VARCHAR, _field VARCHAR)

who won basketball when ashland won track & field and cross country
SELECT basketball FROM table_16423070_4 WHERE track_ & _field = "Ashland" AND cross_country = "Ashland"
SELECT "basketball" FROM "table_16423070_4" WHERE "Ashland" = "cross_country" AND "Ashland" = "track_" & "_field"