Who is the star of the program on Thursdays 22:00~22:54 2005-04-xx to 2005-06-xx?
create table table_18540104_1 (starring_actors varchar, time_frame varchar, PRIMARY KEY (starring_actors))
select starring_actors from table_18540104_1 where time_frame = "thursdays 22:00~22:54 2005-04-xx to 2005-06-xx"