CREATE TABLE table_23730 ("Date" CLOB, "Presenter" CLOB, "Guest 1" CLOB, "Guest 2" CLOB, "Guest 3" CLOB, "Guest 4" CLOB)

Name the guest 4 for steve lamacq
SELECT "Guest 4" FROM table_23730 WHERE "Guest 2" = 'Steve Lamacq'
SELECT "Guest 4" FROM "table_23730" WHERE "Guest 2" = 'Steve Lamacq'