Answer the following question: Information:  - AS Sigui is a Malian football club based in Kayes . At the end of the 2006/7 season they were relegated from the Malien Premiere Division to the D1 ( second division ) in Malian football . Their home stadium is Stade Abdoulaye Nakoro Cissoko .  - Stade Abdoulaye Nakoro Cissoko is a multi-use stadium in Kayes, Mali. It is currently used mostly for football matches. It serves as a home ground of AS Sigui. It also hosted some matches for the 2002 African Cup of Nations. The stadium holds 15,000 people and was opened in 2001.  - The 2002 African Cup of Nations was the 23rd edition of the Africa Cup of Nations, the association football championship of Africa (CAF). It was hosted by Mali. Just like in 2000, the field of sixteen teams was split into four groups of four. Cameroon won its fourth championship (repeating as champions), beating Senegal on penalty kicks 32 after a goalless draw.    Given the paragraphs above, decide what entity has the relation 'sport' with 'association football'.
Answer:
as sigui