Q: 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: How many different people in history have held the office that Thompson ran for unsuccessfully in 1948 and 1950? Passage:Thompson was a presidential elector for the 1948 presidential election. From 1949 to 1956, he was a member of the Democratic National Committee. In 1947, he was a candidate in for the United States House of Representatives from Wisconsin's 2nd congressional district in the special election following the death of Robert Kirkland Henry. He lost to Glenn Robert Davis. Thompson was twice an unsuccessful candidate for Governor of Wisconsin, losing to incumbent Oscar Rennebohm in 1948 and to Walter J. Kohler, Jr. in 1950, and was a delegate to the Democratic National Convention in 1952 and 1956. After serving as an alderman and city attorney in Stoughton, he was a member of the Assembly from 1953 until 1959, when he was elected to the Senate in a special election. He remained in the Senate until 1984.

A:
b