I guessed 7 and got it wrong.
I've just created a test database to try this.
Including actual execution plan shows nothing...
displaying estimated execution plan shows 8 queries, however, these 2 are counted as 1:
SET QUOTED_IDENTIFIER ON; SET ARITHABORT ON;
are counted as queries in their own right. I suppose that's fair.
Interestingly, if you move QUOTED_IDENTIFIER to be the last one, estimated query plan counts it and COMMIT together as one query. I tried that hoping to see it say 9 queries but not what I expected at all. Seems like yet another quirk of the estimated query plan to me rather than being anything useful regarding the nature of the commands.
I hope someone can elaborate on this.