How many days after SCDOT announced its preferred routing of I-73 between Myrtle Beach and Interstate 95 in South Carolina were alternative corridors formally announced to the public at a meeting in Bennettsville, South Carolina?
return SCDOT announced its preferred routing of I-73 between Myrtle Beach and  Interstate 95 in  South  Carolina  ;return alternative corridors were formally announced to the  public at a meeting in  Bennettsville South  Carolina  ;return when  was  #1 ;return when  was  #2 ;return difference of #3 and  #4 in  days
['select', 'select', 'project', 'project', 'arithmetic']