Question: The Keçiören Bağlumspor is a team that is from the second largest city, behind what former imperial capital?
Sentence (from "Keçiören Bağlumspor (women's hockey)"): The team plays in the Turkish Field Hockey Women's Super League (Turkish: "Türkiye Kadınlar Açık Alan Hokey Süper Ligi" ) and is coached by Mustafa Çakır.
Relevant evidence: No