Table:
text: 2008 Manx Grand Prix
Race 1; Newcomers Race C
Race 1; Newcomers Race C
Rank_ Rider Team Speed Time_
1 Dan Kneen 400cc Honda 95.517mph 46` 54.48
2 Ian Whitlow 650cc Suzuki 91.911mph 49` 15.64
3 Colin Martin 400cc Honda 91.065mph 49` 43.09
4 Derek Costello 400cc Honda 89.673mph 50` 29.41
5 Dave Walsh 650cc Suzuki 88.760mph 51` 00.56
6 Darren Gilpin 650cc Suzuki 88.042mph 53` 52.39

Question: What is driver Darren Gilpin's lowest rank among the rookies of 2008 Manx Grand Prix, Race 1, Race C?

Question: Considering the 2008 Manx Grand Prix, what is Driver Colin Martin's highest ranking Race 1 Newcomer Race C?