Table:
text: 2011 CAF U-23 Championship qualification
Preliminary qualifying round
Preliminary qualifying round
Team_1 Agg_ Team_2 _1st_leg _2nd_leg_
DR Congo w/o Chad  
Ethiopia w/o Equatorial Guinea  
Swaziland w/o Mauritius  
Djibouti w/o Madagascar  
Sierra Leone 2–2 (1–3 p) Liberia 1–1 1–1
Somalia 0–1 Sudan 0–0 0–1
Botswana 1–0 Namibia 1–0 0–0

Question: What is the total number of teams in the Team 1 column for CAF U-23 Championship 2011 qualifiers?

Question: In total, how many countries will take part in this preliminary qualifying round in CAF U-23 Championship 2011 qualifiers?

Question: How many teams took part in the CAF U-23 Championship 2011 qualifier?