Question: How many times has Maciej Sulęcki's adviser won Boxing Writers of America Manager of the Year Award?
Related documents: [0]  [DOC] is an American boxing adviser/manager. He is the adviser to Floyd Mayweather, Jr. and has twice won the Boxing Writers of America Manager of the Year Award. [END] 
[1]  [DOC] Maciej Sulecki (born 2 May 1989) is an unbeaten professional boxer in the middleweight division. Sulecki is the current Polish middleweight champion and ranked #10 in the middleweight division by the WBO. Sulecki is signed with American adviser Al Haymon. [END] 
Answer: 
twice
twice