CREATE TABLE table_name_30 (home VARCHAR2, date VARCHAR2, geust VARCHAR2)

Who was the home team of the match on 21.10.07, which had bsc young boys (asl) as the geust?
SELECT home FROM table_name_30 WHERE date = "21.10.07" AND geust = "bsc young boys (asl)"
SELECT "home" FROM "table_name_30" WHERE "21.10.07" = "date" AND "bsc young boys (asl)" = "geust"