In Canoeing I am very optimistic, it is true, probably 2 medals should be the best scenario, but Isaquias Queiroz has not yet achieved a good result this year and Ana Satila in C1 Slalom is not that regular but still has the ability to win a medal.
About Skateboarding I think 3 medals very realistic, because 2 I already consider almost certain (Pedro Barros in the Park and Leticia Bufoni in the Street). I think a third medal could come from Street, especially the men's. At least the results of Brazil have been very good, including in the Women's Park, our weakest category.
And Boxing I'm relying on the recent tradition