Hullo.
I recently recorded a video of my 2-hour SPARQL tutorial. It is better
than the SPARQL section in my 3-hour Intro to Wikidata video from a couple
of years ago, and is easier to follow, with the query screen fed directly
rather than through the video camera.
It is now available here:
https://commons.wikimedia.org/wiki/File:Querying_Wikidata_with_SPARQL_for_A…
Enjoy!
A.