input
col1      col5       output
james     yes       james  2
dave      yes       dave   2
mike      yes       mike   3
ken       no        ken    1
jon       yes       jon    4
jon       no			
ken       yes			
jon       yes			
mike      no			
james	  yes		
dave      yes			
mike      no			
ken       no			
jon       yes			
jon       yes