[shakna]

The backtick? That's generally the non-shift character on the "tilde key", generally right under the escape key. It's on most physical keyboards.

[gerdesj]

Where do I find these things: “”

I use a en_GB keyboard and I have a very broad mind 8) I think I know where 66 and 99 come from.

[michaelmrose]

If you have an Apple keyboard it ought to be left of the letter z.

https://en.wikipedia.org/wiki/British_and_American_keyboards