Table:
text: 1998 European Athletics Championships – Women's shot put
Qualification
Qualification
Rank_ Group_ Athlete Nationality Result_
1 A Vita Pavlysh Ukraine 19.99
2 B Irina Korzhanenko Russia 19.18
3 A Svetlana Krivelyova Russia 18.55
4 A Nadine Kleinert Germany 18.38
5 B Corrie de Bruin Netherlands 18.36
6 B Stephanie Storp Germany 18.08
7 A Lieja Koeman Netherlands 18.01
7 B Katarzyna Żakowicz Poland 18.01
7 B Tatyana Khorkhulyova Belarus 18.01
10 A Yanina Karolchyk Belarus 18.00
11 A Krystyna Zabawska Poland 17.80
12 B Karoliina Lundahl Finland 17.68
13 A Danijela Curović Yugoslavia 17.50
14 A Mara Rosolen Italy 17.08
15 B Katarina Sederholm Norway 16.83
16 B Linda-Marie Mårtensson Sweden 16.79

text: 1998 European Athletics Championships – Women's shot put
Qualification
Qualification
Rank_ Group_ Athlete Nationality Result_
17 B Nataša Erjavec Slovenia 16.43
18 A Margarita Ramos Spain 16.41

Question: 1998 European Athletics Championships - Women's Shot Put, what is the average rank for Group A athlete Yanina Karolchyk and a score higher than 18?