Table:
text: Jamie Roberts
Wales
Wales
Cap_Number Date_ Position_ Shirt_Number Home_or_Away Venue Result_ Score
1 9 February 2008 Wing 14 Home Millennium Stadium , Cardiff Win 30–15
2 7 June 2008 Full Back 15 Away Vodacom Park , Bloemfontein Loss 17–43
3 14 June 2008 Centre 12 Away Loftus Versfeld , Pretoria Loss 21–37
4 8 November 2008 Centre 12 Home Millennium Stadium , Cardiff Loss 15–20
5 14 November 2008 Substitute 22 Away Millennium Stadium , Cardiff Win 34–13
6 22 November 2008 Centre 12 Home Millennium Stadium , Cardiff Loss 9–29
7 29 November 2008 Centre 12 Home Millennium Stadium , Cardiff Win 21–18

Question: What is the largest shirt number for Jamie Roberts in Wales if the cap number is 5?