What value would be returned based on the formula in Cell D$49?$

$\backslash$table$[[,$D$,$E$,],[42,$Conference Room,Location,Staff ID$],[43,$D$,$East,$19106],[44,$C$,$North,$19122],[45,$A$,$South,$19107],[46,$E$,$South,$19104],[47,$B$,$South,$19147],[48,,,],[49,=$COUNTIFS$($E$42$:E$47,$"South",F$42$:F$47,"19104")]]$