whare are al of the launche dates where th carrier is orange and the up is 5.76 mbit/s
create table table_19246_2 (launch_date__ddmmyyyy_ varchar, _up_ varchar, carrier varchar, PRIMARY KEY (launch_date__ddmmyyyy_))
select launch_date__ddmmyyyy_ from table_19246_2 where _up_ = "5.76 mbit/s" and carrier = "orange"