Table:
text: Swimming at the 2007 World Aquatics Championships – Men's 100 metre freestyle
Semifinals
Semifinals
Rank_ Heat Lane Name_ Nationality Time_
14 1 8 Christian Galenda Italy 49.31
15 1 1 Mitja Zastrow Netherlands 49.41
16 2 1 Ashley Callus Australia 49.45

text: Swimming at the 2007 World Aquatics Championships – Men's 100 metre freestyle
Semifinals
Semifinals
Rank_ Heat Lane Name_ Nationality Time_
1 2 4 Jason Lezak United States 48.51
2 1 4 Filippo Magnini Italy 48.60
3 2 5 Pieter van den Hoogenband Netherlands 48.72
4 2 3 Brent Hayden Canada 48.79
5 2 6 Eamon Sullivan Australia 48.86
6 1 6 Ryk Neethling South Africa 48.87
6 2 2 César Cielo Filho Brazil 48.87
6 2 8 Roland Schoeman South Africa 48.87
9 1 5 Alain Bernard France 48.89
10 1 2 Stefan Nystrand Sweden 48.92
11 2 7 Albert Subirats Altes Venezuela 49.17
12 1 3 Simon Burnett Great Britain 49.22
13 1 7 Dominik Meichtry Switzerland 49.27

Question: How many lanes was a swimmer from Australia named Ashley Callus on in the 2007 World Aquatics Championships Semifinals - Men's 100m Freestyle, ranking above 4th place in a heat later than 1st place?