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

$\backslash$table$[[,$D$,$F$],[42,$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$47,"19104"),,]]$

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$0$

$1$

$2$

$3$