```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns3:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/">
    <query_name>68 years old@13:38:15</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>68 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\65-74 years old\68 years old\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ 65-74 years old \ 68 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>66 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\65-74 years old\66 years old\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ 65-74 years old \ 66 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>67 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\65-74 years old\67 years old\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ 65-74 years old \ 67 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\65-74 years old\65 years old\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Demographics \ Age \ 65-74 years old \ 65 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns3:query_definition>

```

I want to find patients who are between the ages of 65 and 74 years old, specifically focusing on those who are 65, 66, 67, or 68 years old. This query will include demographic information and provide results with a high level of accuracy.