how do i extract the lastbatchstarted from this xml?

THX

```
<event name="xml_deadlock_report" package="sqlserver" timestamp="2021-11-08T13:16:53.648Z">
  <data name="xml_report">
    <value>
      <deadlock>
        <victim-list>
          <victimProcess id="process2bac10daca8" />
        </victim-list>
        <process-list>
          <process id="process2bac10daca8" taskpriority="0" logused="1772" waitresource="PAGE: 7:1:817276 " waittime="185" ownerId="115165741" transactionname="INSERT" lasttranstarted="2021-11-08T15:16:53.440" XDES="0x2bad31fa040" lockMode="U" schedulerid="1" kpid="14480" status="suspended" spid="64" sbid="0" ecid="7" priority="0" trancount="0" lastbatchstarted="2021-11-08T15:16:53.440" lastbatchcompleted="2021-11-08T15:16:53.440" lastattention="1900-01-01T00:00:00.440" clientapp="dfdf" hostname="dfdf" hostpid="3692" isolationlevel="read uncommitted (1)" xactid="115165741" currentdb="7" lockTimeout="4294967295" clientoption1="673316896" clientoption2="128056">
            <executionStack>

```

i try with this query and it's not working

[XML Data].value('(/event/data[@name=''xml\_report'']/value/process-list/process/@lastbatchstarted)[1]','datetime')