Amex points transfer to a good ratio airlines

Pointify is tracking this transfer bonus for the points-and-miles community.

I want to transfer my Amex points to an airline points system to be able to pay for international flight booking. Does anyone know which are some good ones with good transfer ratios with Amex? Will be flying from Canada/USA I did see Qatar airways but when searching for award flights nothing showed up especially for business class (would rather use points on that than economy) I have around 91k points which I know aren’t too many but hoping that it