Question: Upper Manya is located in a district of south Ghana that split in what year?

Context paragraphs:
Ofoase: Ofoase is a small town in south Ghana and is the capital of Akyemansa District, a district in the Eastern Region of south Ghana.

Manya Krobo District: The Manya Krobo District was a district of Ghana located in the Eastern Region of south Ghana until it was split in 2008 to form the Lower Manya Krobo District and the Upper Manya Krobo District.

Upper Manya Krobo District: The Upper Manya Krobo is one of the twenty-one (21) districts of the Eastern Region of south Ghana.  The capital is Asesewa.

Odumase Krobo: Odumase Krobo is a city and is the capital of Lower Manya Krobo district, a district in the Eastern Region of south Ghana.

Lower Manya Krobo District: The Lower Manya Krobo District is one of the twenty-one (21) districts of the Eastern Region of south Ghana.  The capital is Odumase Krobo.

Nkawkaw: Nkawkaw (meaning "the red, red") is a town in south Ghana and is the capital of Kwahu West Municipal District, a district in the Eastern Region of south Ghana.  Nkawkaw has a 2013 settlement population of 61,785 people.

Stephen Amoanor Kwao: Stephen Amoanor Kwao (born 12 September 1951) is a Ghanaian educationist and politician.  He is the Member of Parliament for the Upper Manya constituency and a Minister of State at the Office of the President of Ghana.

Upper Manya (Ghana parliament constituency): Upper Manya is one of the constituencies represented in the Parliament of Ghana.  It elects one Member of Parliament (MP) by the first past the post system of election.  Upper Manya is located in the Manya Krobo district of the Eastern Region of Ghana.

Asesewa: Asesewa is a small town and the capital of Upper Manya Krobo district in the Eastern region of southern Ghana.

Nsawam: Nsawam is a town in south Ghana and is the capital of the Akuapim South Municipal District, a district in the Eastern Region of south Ghana.  The main ethnic group is Akan, followed by Ga and then Ewe.  Nsawam is controlled by Akuapim South Municipal District (ASMD).  As of 2013, Nsawam has a settlement population of 44,522 people.  Nsawam is situated on a main railway and highway to Kumasi.

Supporting paragraphs: Upper Manya (Ghana parliament constituency) Manya Krobo District
Answer: 2008