The 2017 City of Onkaparinga ATP Challenger was a professional tennis tournament played on hard courts. It was the third edition of the tournament and part of the 2017 ATP Challenger Tour. It took place in Happy Valley, Australia from 2 to 8 January 2017.
The ATP Challenger Tour was cancelled in 2019
A: It's impossible to say

41 Commando or No. 41 (Royal Marine) Commando was a unit of the Royal Marines trained as Commandos during the Second World War. They were part of the all Royal Marine 4th Special Service Brigade that took part in the Normandy landings in June 1944 and later that served in World War II, the Korean War, and in Northern Ireland. They were disbanded in 1981.
There have been no Royal Marine Commando units since 1981.
A: Yes

Arthur John Duckworth (born 19 January 1949) is a former Australian rules footballer who played for Fitzroy in the Victorian Football League (VFL), West Perth in the West Australian National Football League (WANFL), and Central District in the South Australian National Football League (SANFL). He is the older brother of former Essendon footballer Billy Duckworth.
Arthur John Duckworth is currently more than 38 years old.
A:
Yes