SQL Variable in advanced alerts

Good afternoon.  I am trying to correct the syntax for a SQL statement in my advanced alert for a node.

I have a custom property for the interface called 'Circuit ID'

There is an advanced alert for the node when the node goes down.  The alert action is to email a group that the node has gone down.  I would like to include the Circuit ID in the body of the message when the alert email is sent.  I have tried this SQL statement but all I get in the mail is the SQL statement instead of the Circuit ID.

${SQL:Select CircuitID From Interfaces FULL JOIN Nodes ON Nodes.NodeID = Interfaces.NodeID WHERE Nodes.NodeID = ${NodeID} AND CircuitID IS NOT NULL}

I added the 'AND CircuitID IS NOT NULL at the end because I only want the interface with a Circuit ID value to be shown here and not every interface one that node...  Ethernet, Management Serial ect....

Any help with SQL variables would be greatly appreciated....