```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns4:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/">
    <query_name> 100 years old@10:12:49</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <panel>
        <panel_number>1</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>4</hlevel>
            <item_name> 100 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\100\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old \ 100 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>  65 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\65\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old \ 65 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>  68 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\68\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old \ 68 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>  70 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\70\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old \ 70 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>  71 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\71\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old \ 71 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>  72 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\72\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old \ 72 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>  73 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\73\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old \ 73 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find patients who are 65 years old or older, specifically those who are 65, 68, 70, 71, 72, or 73 years old, based on the demographics category of age in the i2b2 system.