During the five year plan 1989-1994, how many million more lines did Iran actually build compared to their plan?
return the  five year plan  of 1989-1994 ;return millions of lines Iran actually build of  #1 ;return millions of lines Iran plan  to build of  #1 ;return the  difference of #2 and  #3
['select', 'project', 'project', 'arithmetic']