What zip codes have a station with a max temperature greater than or equal to 80 and when did it reach that temperature?
return stations ;return temperatures of #1 ;return the  highest of #2 for each #1 ;return #1 where #3 is at least 80 ;return temperatures of #4 ;return the  highest of #5 for each #4 ;return when  was  #6 ;return zip codes of #4 ;return #8 ,  #7
['select', 'project', 'group', 'comparative', 'project', 'group', 'project', 'project', 'union']