```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>Externa-Assault@23:54:07</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>0</hlevel>
            <item_name>(PrevQuery)External causes@23:41:16</item_name>
            <item_key>masterid:28357</item_key>
            <tooltip>External causes@23:41:16</tooltip>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
    <panel>
        <panel_number>2</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>0</hlevel>
            <item_name>(PrevQuery)Assault by cras@19:55:01</item_name>
            <item_key>masterid:28320</item_key>
            <tooltip>Assault by cras@19:55:01</tooltip>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find all cases where External Causes (PrevQuery) and Assault by Crash (PrevQuery) are present, with no specific time frame and high accuracy, combining both panels with no inversion and considering the total occurrences of each item in the panels.