How many years was it between when TEN-10's broadcast facilities have been in the inner suburb of Pyrmont and the move from North Ryde?
return the  move from  North Ryde ;return TEN-10 's broadcast facilities have been in  the  inner suburb of Pyrmont ;return year of #1 ;return year of #2 ;return the  difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']