2011 Kenyan Premier League

Columns: Team | Location | Stadium | Capacity
Nairobi City Stars | Nairobi | Hope Centre | 5,000 | Rangers | Nairobi | Nyayo National Stadium | 30,000 | Sofapaka | Nairobi | Nyayo National Stadium | 30,000 | Sony Sugar | Awendo | Green Stadium | 5,000 | Thika United | Thika | Thika Municipal Stadium | 5,000 | Tusker | Nairobi | Kasarani Stadium | 60,000 | Ulinzi Stars | Nakuru | Afraha Stadium | 8,200 | Western Stima | Kakamega | Bukhungu Stadium | 5,000

Example questions:
What year was the city , which is a home for the team that competed in Kenyan Premier League in 2011 , containing Nyayo National Stadium founded ? | What county contains the city , which is a home for the team that competed in Kenyan Premier League in 2011 , containing Green Stadium ?

Answers:
1899 | Migori County