In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Question: What country was the university Sadeq Tabatabaei got his doctorate from located in? Passage:In 1961, Sadegh Tabatabai went to Aachen to study biochemistry and later received his doctorate from the University of Bochum. While in Aachen, he organized a student group that campaigned against Shah Mohammad Reza Pahlavi. In 1967, he handled Ulrike Meinhof material about Iran, which was used in a famous column in Konkret magazine opposing the Shah's visit to West Germany that year. Tabatabai gave a speech at the grave of Benno Ohnesorg, an unarmed university student who was shot during a demonstration against the Shah's visit to the Deutsche Oper in Berlin by Karl-Heinz Kurras, a police officer later discovered to be an agent of the East German secret police, the Stasi.

b

Question: How many games did Felix de los Heros play for Barakaldo FC and Sevilla FC combined? Passage:It is unclear where or when de los Heros started his playing career but in 1932 he was playing for Barakaldo FC. In 1934 he moved to Sevilla FC. Late in 1936 he joined Gimnastico de Valencia. In 1937, in the middle of the Spanish Civil War, he joined Barcelona FC. His first game for them was on the 16 May 1937 against the Catalan national team. He never actually played for them in the domestic league but participated in the Barcelona FC tour of North America later in 1937. When the tour ended he signed for Brooklyn Hispano, a United States team that played in the American Soccer League. Later he moved to Mexico where he played for Club Deportivo Euzkadi in the Primera Fuerza league for the 1938/39 season. He also played for the Basque Country national football team twice during that period. Later he joined Club Espana, before going on to play in several other Mexican teams.

a

Question: How old was Tyga when No Introduction was released? Passage:American rapper Tyga has released seven studio albums, three compilation albums, nineteen mixtapes, seventy-four singles (including thirty-four as a featured artist) and forty-six music videos. In 2008, Tyga released his first studio album, No Introduction, on the record label Decaydance Records. The album featured the single "Coconut Juice", which features singer Travie McCoy; the song peaked at number 94 on the US Billboard Hot 100, becoming Tyga's first song to appear on the chart. In 2010, Tyga and American singer Chris Brown released the collaborative mixtape Fan of a Fan, which included the single "Deuces": the song peaked at number 14 on the Billboard Hot 100 and became Tyga's first song to chart on the US Hot R&B/Hip-Hop Songs chart, peaking at number one. Tyga also appeared on the song "Loyalty", a single by fellow rapper Birdman, and collaborated with rapper Lil Wayne on the non-album single "I'm on It", both of which failed to chart on the Billboard Hot 100.
b