Read here: The way Session Relevance statements (WebReports) are written matters
And here: The way Session Relevance statements are written matters (Part 2) Computer Names
The way the original query was written involved much more processing.
You can actually use something like this even if there are duplicate properties with the same name. See here: https://bigfix.me/relevance/details/3004748
bes properties "Last Check" whose("Intel vPro Audit - Windows" = unique value of names of source analyses of it)