On Electrical Engineering Stack Exchange, find the number of 'power-supply' questions posted in the last 7 days. Additionally, identify the user with the highest reputation whose primary tags include 'power-supply' and state their username and exact reputation score.
Navigate to the 'Tags' page on Electrical Engineering Stack Exchange. Locate the 'power-supply' tag and extract the number of questions asked in the last 7 days. Navigate to the 'Users' page. Ensure users are sorted by reputation (default behavior). Scan the top users to identify the one with the highest reputation who also lists 'power-supply' among their top tags. State the username and exact reputation score of the identified user, along with the number of 'power-supply' questions.
Successfully navigate to the 'Tags' page and extract the number of 'power-supply' questions asked in the last 7 days. Successfully navigate to the 'Users' page and identify 'Justme' as the user with the highest reputation whose top tags include 'power-supply'. State 'Justme's exact reputation score as 330k. Report the exact number of 'power-supply' questions found for the last 7 days from the website.