order by problem

Hi, How can I fix an order by using numbers and letters ? Id Town 56 Paris 1 60 Paris 10 7 Paris 11 262 Paris 12 8 Paris 13 16 Paris 14 22 Paris 15 6 Paris 3 57 Paris 4 51 Paris 6 5 Paris 7 61 Paris 8 59 Paris 9 I'd like to get : 56 Paris 1 6 Paris 3 57 Paris 4 51 Paris 6 5 Paris 7 61 Paris 8

sort problem

Hi, How can I fix an order by using numbers and letters ? Id Town 56 Paris 1 60 Paris 10 7 Paris 11 262 Paris 12 8 Paris 13 16 Paris 14 22 Paris 15 6 Paris 3 57 Paris 4 51 Paris 6 5 Paris 7 61 Paris 8 59 Paris 9 I'd like to get : 56 Paris 1 6 Paris 3 57 Paris 4 51 Paris 6 5 Paris 7 61 Paris 8