Let's play a fun game - How will I...?

I will post simple tasks. You find a way to get the answer without using AI in particular and if possible, tech in general.

If you are able to do the task, post in comments how you were able to do it. :)

First challenge - Find out the name of the Indian king who was defeated in the first Arab invasion of Sindh.

Type of Challenge: No computers or mobiles allowed.

Level of Challenge: