Table:
text: Swimming at the 2008 Summer Olympics – Men's 100 metre backstroke
Semifinal 2
Semifinal 2
Rank_ Lane Name_ Nationality Time_
1 6 Hayden Stoeckel Australia 52.97
2 4 Matt Grevers United States 52.99
3 5 Aaron Peirsol United States 53.56
4 2 Ashley Delaney Australia 53.76
5 1 Markus Rogan Austria 53.80
6 3 Gerhardus Zandberg South Africa 53.98
7 7 Stanislav Donets Russia 54.57
8 8 Guy Barnea Israel 54.93

Question: What is the most time for the South African swimmer who finished 2 in the men's 100m backstroke on a lane greater than 3 at the 2008 Summer Olympics - Semifinals?