Claim: Senate Scholz I was the government of the German city-state of Hamburg from 7 March 2011 to 15 April 2015 and the Cabinet was headed by Mayor Olaf Scholz and was formed by the Social Democratic Party.
Evidence: The Senate Scholz I (Senat Scholz I) was the government of the German city-state of Hamburg from 7 March 2011 to 15 April 2015. The Cabinet was headed by Mayor Olaf Scholz and was formed by the Social Democratic Party, who gained an overall majority in the last state-elections.