Table:
text: 2007 World Championships in Athletics – Women's 200 metres
Heat 4
Heat 4
Rank_ Lane Athlete Time_sec_ Notes
1 4 Sanya Richards ( USA ) 22.74 Q
2 8 Cydonie Mothersill ( IVB ) 22.86 Q
3 7 Aleen Bailey ( JAM ) 22.94 Q
4 2 Vida Anim ( GHA ) 23.16 Q
5 3 Guzel Khubbieva ( UZB ) 23.25 q, SB
6 6 Louise Ayétotché ( CIV ) 23.34 q
7 8 Ewelina Klocek ( POL ) 23.38 q
8 9 Kirsten Nieuwendam ( SUR ) 24.52 NR

Question: What grades have a time greater than 23.34 and a rank of 8 at the 2007 World Athletics Championships - Women's 200 meters?