### CONTEXT (Previous Events):
<system_output timestamp="2164.169378">[?1h=
</system_output>
<system_output timestamp="2164.170651">
[K[?1l&gt;</system_output>
<system_output timestamp="2164.173836">[?2004h]0;demo@faiserver: /home/fai/configdemo@faiserver:/home/fai/config$ </system_output>
<user_input timestamp="2165.400962">[A</user_input>
<system_output timestamp="2165.402741">sudo git diff master~15 disk_config/HWPHYS</system_output>
<user_input timestamp="2165.918529">[D</user_input>
<system_output timestamp="2165.922896"/>
<user_input timestamp="2166.576979">[D</user_input>
<system_output timestamp="2166.583334"/>
<user_input timestamp="2166.617501">[D</user_input>
<system_output timestamp="2166.624084"/>
<user_input timestamp="2166.657251">[D</user_input>
<system_output timestamp="2166.664413"/>
<user_input timestamp="2166.699768">[D</user_input>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="2166.706523"/>

Answer: 2166.706523, old event