Table:
text: Speed skating at the 1968 Winter Olympics – Women's 1500 metres
Results
Results
Rank_ Athlete Country Time_ Notes_
1 Kaija Mustonen Finland 2:22.4 OR
2 Carry Geijssen Netherlands 2:22.7 
3 Stien Kaiser Netherlands 2:24.5 
4 Sigrid Sundby-Dybedahl Norway 2:25.2 
5 Lāsma Kauniste Soviet Union 2:25.4 
6 Kaija-Liisa Keskivitikka Finland 2:25.8 
7 Lyudmila Titova Soviet Union 2:26.8 
8 Ruth Schleiermacher East Germany 2:27.1 
9 Christina Lindblom-Scherling Sweden 2:27.5 
9 Hildegard Sellhuber West Germany 2:27.5 
11 Lidiya Skoblikova Soviet Union 2:27.6 
12 Ans Schut Netherlands 2:28.3 
13 Dianne Holum United States 2:28.5 
14 Martine Ivangine France 2:29.9 
14 Kari Kåring Norway 2:29.9 
16 Jeanne Ashworth United States 2:30.3 
17 Lisbeth Korsmo-Berg Norway 2:30.7 
18 Christina Karlsson Sweden 2:31.4 

text: Speed skating at the 1968 Winter Olympics – Women's 1500 metres
Results
Results
Rank_ Athlete Country Time_ Notes_
18 Sachiko Saito Japan 2:31.4 
20 Ylva Hedlund Sweden 2:31.5 
21 Doreen McCannell Canada 2:32.2 
22 Arja Kantola Finland 2:33.2 
23 Kaname Ide Japan 2:34.2 
24 Marcia Parsons Canada 2:34.4 
25 Jeanne Omelenchuk United States 2:35.5 
26 Jitsuko Saito Japan 2:36.6 
27 Kim Gwi-Jin South Korea 2:36.7 
28 Marie-Louise Perrenoud France 2:39.2 
29 Patricia Demartini France 2:40.6 
30 Paula Dufter West Germany 2:45.2

Question: Total number of skaters competing in speed skating at the 1968 Winter Olympics - women's 1500 meters?

Question: In speed skating at the 1968 Winter Olympics - women's 1500 meters - how many of the top 30 competitors are from Norway?