Question: What is an international motorboat racing competition for powerboats organised by the Union Internationale Motonautique (UIM) and promoted by H2O Racing, hence it often being referred to as F1H2O that the 33rd season  consisted of seven races, beginning in Dubai, UAE on 4 March 2016, and ending in Sharjah? 
Sentence (from "2016 F1 Powerboat World Championship"): The 2016 UIM F1 H2O World Championship was the 33rd season of Formula 1 Powerboat racing.
Relevant evidence: No