name the tv show whose network is seven network and is the subsequent work of we can be heroes: finding the australian of the year ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_network dbr_Seven_Network sep_dot var_uri dbo_subsequentWork dbr_We_Can_Be_Heroes:_Finding_The_Australian_of_the_Year sep_dot var_uri a dbo_TelevisionShow brack_close