Question: What is the number of executive branch senators where the director of The Man from Morocco was born?

full_context: Document 1: The Man Between: The Man Between (also known as Berlin Story) is a 1953 British thriller film directed by Carol Reed and starring James Mason, Claire Bloom, Hildegard Knef and Geoffrey Toone. The screenplay concerns a British woman on a visit to post-war Berlin, who is caught up in an espionage ring smuggling secrets into and out of the Eastern Bloc.
Document 2: Max Taut: Max Taut was born in Königsberg, the younger brother of Bruno Taut. He, his brother and Franz Hoffman formed Taut & Hoffman, an architecture firm in Berlin, In the 1920s, Max Taut was particularly known for his office buildings for trade unions. Between 1922 and 1925, he built one house a year on Hiddensee island, each one very different from the others.
Document 3: Joint Senate of the Supreme Courts of the Federation: The Joint Senate of the Federal Supreme Courts of Justice ("Gemeinsamer Senat der Obersten Gerichtshöfe des Bundes", also called the "Common Senate") is often regarded as one of the supreme courts of justice in Germany, but it is rather, as its name suggests, an "ad hoc" judicial body that is convened only in specific cases. The Joint Senate consists of the Presidents of the five Federal Supreme Courts (excluding the Federal Constitutional Court) and two members of each of the Senates involved ("Senate" here denotes a judicial 'sub-unit' within a court, usually consisting of three or more judges, with all Federal Supreme Courts and subordinate courts of appeal being divided into several senates). The Joint Senate decides on questions regarding the interpretation of law that are relevant for all five branches of law overseen by the five Federal Supreme Courts.
Document 4: States of Germany: The Districts of Germany (Kreise) are administrative districts, and every state except the city-states of Berlin, Hamburg, and Bremen consists of "rural districts" (Landkreise), District-free Towns/Cities (Kreisfreie Städte, in Baden-Württemberg also called "urban districts", or Stadtkreise), cities that are districts in their own right, or local associations of a special kind (Kommunalverbände besonderer Art), see below. The state Free Hanseatic City of Bremen consists of two urban districts, while Berlin and Hamburg are states and urban districts at the same time.
Document 5: Guido Seeber: Guido Seeber (22 June 1879 in Chemnitz – 2 July 1940 in Berlin) was a German cinematographer and pioneer of early cinema.
Document 6: The Adventures of Tartu: The Adventures of Tartu (alternate British title and American release title: Sabotage Agent, aka Tartu), is a 1943 British Second World War spy film starring Robert Donat. It was a morale booster of the era portraying Nazis as highly corruptible due to their desire to seduce women and to gain personal advancement.
Document 7: Spectre (2015 film): After wrapping up in England, production travelled to Morocco in June, with filming taking place in Oujda, Tangier and Erfoud, after preliminary work was completed by the production's second unit. An explosion filmed in Morocco holds a Guinness World Record for the "Largest film stunt explosion" in cinematic history, with the record credited to production designer Chris Corbould. Principal photography concluded on 5 July 2015. A wrap-up party for Spectre was held in commemoration before entering post-production. Filming took 128 days.
Document 8: States of Germany: Local associations of a special kind are an amalgamation of one or more Landkreise with one or more Kreisfreie Städte to form a replacement of the aforementioned administrative entities at the district level. They are intended to implement simplification of administration at that level. Typically, a district-free city or town and its urban hinterland are grouped into such an association, or Kommunalverband besonderer Art. Such an organization requires the issuing of special laws by the governing state, since they are not covered by the normal administrative structure of the respective states.
Document 9: Mutz Greenbaum: Mutz Greenbaum (3 February 1896 – 5 July 1968), sometimes credited as Max Greene or Max Greenbaum, was a Berlin, Germany-born film cinematographer.
Document 10: States of Germany: The governments in Berlin, Bremen and Hamburg are designated by the term Senate. In the three free states of Bavaria, Saxony, and Thuringia the government is referred to as the State Government (Staatsregierung), and in the other ten states the term Land Government (Landesregierung) is used. Before January 1, 2000, Bavaria had a bicameral parliament, with a popularly elected Landtag, and a Senate made up of representatives of the state's major social and economic groups. The Senate was abolished following a referendum in 1998. The states of Berlin, Bremen, and Hamburg are governed slightly differently from the other states. In each of those cities, the executive branch consists of a Senate of approximately eight, selected by the state's parliament; the senators carry out duties equivalent to those of the ministers in the larger states. The equivalent of the Minister-President is the Senatspräsident (President of the Senate) in Bremen, the Erster Bürgermeister (First Mayor) in Hamburg, and the Regierender Bürgermeister (Governing Mayor) in Berlin. The parliament for Berlin is called the Abgeordnetenhaus (House of Representatives), while Bremen and Hamburg both have a Bürgerschaft. The parliaments in the remaining 13 states are referred to as Landtag (State Parliament).
Document 11: Geography of Germany: Germany comprises sixteen states that are collectively referred to as Länder. Each state has its own state constitution and is largely autonomous in regard to its internal organisation. Due to differences in size and population the subdivision of these states varies, especially between city states (Stadtstaaten) and states with larger territories (Flächenländer). For regional administrative purposes five states, namely Baden - Württemberg, Bavaria, Hesse, North Rhine - Westphalia and Saxony, consist of a total of 22 Government Districts (Regierungsbezirke). As of 2009 Germany is divided into 403 districts (Kreise) on municipal level, these consist of 301 rural districts and 102 urban districts.
Document 12: Our Man in Jamaica: Our Man in Jamaica/Operation Jamaica () is an 1965 Italian Spanish German international co-production Eurospy adventure film directed by an uncredited Mel Welles. It was credited to for reasons of European funding.
Document 13: Maxime Alexandre: Maxime Alexandre (February 4, 1971 in Ronse, East Flanders, Belgium) is a Belgian cinematographer, with a career focused mostly on horror movies.
Document 14: Max Ehrlich: Max Michaelis Ehrlich (7 December 1892, Berlin – 1 October 1944, Auschwitz concentration camp) was a German actor, screenwriter, and director on the German theater, comedy and cabaret scene of the 1930s.
Document 15: The Man from Morocco: The Man from Morocco is a 1945 action adventure film directed by Mutz Greenbaum as Max Greene. The film was produced by Welwyn Studios in Great Britain.
ground_truth: eight
sub_queries: The Man from Morocco >> director Answer: Mutz Greenbaum
What is the place of birth of Mutz Greenbaum ? Answer: Berlin
How many people are in the executive branch senate in Berlin ? Answer: eight