Definition: 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.
Input: Question: What is the population of the city where Odhner was born? Passage:Odhner was born in Stockholm, Sweden and was the son of Professor Nils Hjalmar Odhner and Signhild (nee Hagstrom). He earned a Juris Doctor degree in Genoa in 1944 and served in Genoa and Milan from 1938 to 1945 before becoming an attache at the Ministry for Foreign Affairs in 1945. Odhner served as an attache in Tehran and Baghdad from 1947 to 1950 and was the second secretary at the Ministry for Foreign Affairs from 1950 to 1955. He was then first secretary at the Ministry for Foreign Affairs and held the same position in Washington, D.C. from 1955 to 1959. He was legation counsellor in Warsaw from 1959 to 1961 and director at the Ministry for Foreign Affairs (head of international aid cases) from 1962 to 1964. He was ambassador in Baghdad from 1964 to 1969, also accredited to Kuwait City from 1965 to 1969 and ambassador in (Rawalpindi), Islamabad from 1969 to 1973 and ambassador in Tehran, also accredited to Kabul from 1973 to 1978. After that he was trade policy negotiator at the Ministry for Foreign Affairs from 1978 to 1982 and ambassador in Tunis from 1983 to 1984.

Output:
b