Getting Non Escaped Double Quotes in Strings

I discovered this today by sheer chance and trying it will trying to build some dynamic Oracle scripts I was building.

Use single quotes in a StringBuilder to enclose a double quote  SingleDoubleSingle :  '"'

   StringBuilder sb = new StringBuilder();
            var col = "NameCol";
            sb.Append('"' + col + '"');
            sb.Append(" = @NAME ");


So easy when you know how!