Need search query for mitre mapping of custom searches in dashboard

[yashwanth_g_pra]

I have search result outputs as the following,

tactic	technique	searchName
Data from Information Repositories	collection	search Name A
Valid Accounts	persistence	search Name B
Use Alternate Authentication Material: Pass the Ticket	lateral movement	search Name C

and so on... I need to add a dashboard panel as shown below

Need help in the search query for my dashboard panel where the count of the number of custom searches created is displayed for every technique.