2012 Berlin Marathon

Columns: Position | Athlete | Nationality | Time
Aberu Kebede | Ethiopia | 2:20:30 PB | Tirfi Tsegaye | Ethiopia | 2:21:19 PB | Olena Shurkhno | Ukraine | 2:23:32 NR | 4 | Flomena Chepchirchir | Kenya | 2:24:56 | 5 | Fate Tola | Ethiopia | 2:25:14 PB | 6 | Alevtina Biktimirova | Russia | 2:28:45 | 7 | Caroline Chepkwony | Kenya | 2:30:34 PB | 8 | Anna Hahner | Germany | 2:30:37 | 9 | Sonia Samuels | Great Britain | 2:30:56 PB | 10 | Degefa Biruktayit | Ethiopia | 2:33:27

Example questions:
Which time period saw the Horn area of the home country of Aberu Kebede , a 2012 Berlin Marathon contestant , get populated ? | What city is the economic center of the home country of the person who finished the marathon in 2:30:37 in 2012 in Berlin ? | What portion of the world 's land with people is filled up by the home country of Alevtina Biktimirova , a 2012 Berlin Marathon contestant ? | What placement was achieved by the person who finished the marathon in 2:30:56 in 2012 in Berlin for the same marathon in 2017 ?

Answers:
Neolithic | Frankfurt | one-eighth | seventh