Given the question: Information:  - The Latvian Football Federation (LFF) is the governing body of football in Latvia based in the capital, Riga. It takes part in organizing the Latvian football championship (SMScredit.lv Virslga), Komanda.lv First League and Latvian Second League as well as organizes lower league championships and Latvian Football Cup. It is represented by the Latvia national football team.  - Latvia, officially the Republic of Latvia, is a country in the Baltic region of Northern Europe, one of the three Baltic states. It is bordered by Estonia to the north, Lithuania to the south, Russia to the east, and Belarus to the southeast, as well as a maritime border to the west alongside Sweden. Latvia has 1,957,200 inhabitants and a territory of . The country has a temperate seasonal climate.  - Igors Semjonovs ( born 3 July 1985 ) is a Latvian football midfielder , currently playing for the Latvian First League club FB Gulbene .  - The Latvian First League or "komanda.lv First league" for sponsorship reasons is the second tier of football in Latvia and is organised by the Latvian Football Federation. From 2007 to 2008, the tournament was known as the Traffic 1. lga, due to its sponsorship by the "Traffic auto advert" advertising company.  - A midfielder is an association football position. Midfielders are generally positioned on the field between their team's defenders and forwards. Some midfielders play a disciplined defensive role, breaking up attacks, and are otherwise known as defensive midfielders. Others blur the boundaries, being more mobile and efficient in passing: they are commonly referred to as deep-lying midfielders, play-makers, box-to-box, or holding midfielders. The number of midfielders on a team and their assigned roles depends on the team's formation; the collective group of these players on the field is sometimes referred to as the midfield.    Given the information above, choose from the list below the object entity that exhibits the relation 'place of birth' with the subject 'igors semjonovs'.  Choices: - box  - estonia  - latvia  - mobile  - of  - riga  - russia  - southeast
The answer is:
riga