Did Jack Dempsey have most title fight wins in either of his weight classes?
Rationale first then the answer.
Jack Dempsey competed as a heavyweight and a lightheavyweight. Jack Dempsey only had a handful of title defenses as heavyweight champion. Wladimir Klitschko had 25 heavyweight title fight wins. Jack Dempsey did not hold the lightheavyweight title. Dariusz Michalczewski had 23 lightheavyweight title fight wins.. The answer is: no.

Can parachuting amateurs ignore hurricane force winds bulletins?
Rationale first then the answer.
A hurricane force wind warning is issued by the National Weather Service for winds above 74 mph. Solo student parachuters are prohibited from jumping in winds exceeding 14 mph.. The answer is: no.

Would Carolina Reaper decrease sales if added to all US salsa?
Rationale first then the answer.

On average, Americans prefer milder salsa than Europeans. The Carolina Reaper is the hottest pepper in the world. The Carolina Reaper is rated as 2,200,000 Scoville Heat Units.. The answer is: yes.