In this task, you're given passages that contain mentions of a time duration related quesry and we are supposed to write answer to a question that involves event “frequency", which refers to how often an event is likely to be repeated. For example, "taking showers" typically occurs ~5 times a week, "going to saturday market" usually happens every few weeks/months, etc. 
 Note that a lot of the questions could have more than one correct answers. We only need a single most-likely answer. Please try to keep your "answer" as simple as possible. Concise and simple "answer" is preferred over those complex and verbose ones.  

Example Input: Sentence: The government of the Marshall Islands operates under a mixed parliamentary-presidential system as set forth in its Constitution. Elections are held every four years in universal suffrage (for all citizens above 18), with each of the twenty-four constituencies (see below) electing one or more representatives (senators) to the lower house of RMI's unicameral legislature, the Nitijela. (Majuro, the capital atoll, elects five senators.) The President, who is head of state as well as head of government, is elected by the 33 senators of the Nitijela. Four of the five Marshallese presidents who have been elected since the Constitution was adopted in 1979 have been traditional paramount chiefs. 
Question: How often are elections held in the Marshall Islands?
Example Output: every four years

Example Input: Sentence: The City Parliament (de: Stadtrat, fr: Conseil de ville) holds legislative power. It is made up of 80 members, with elections held every four years. The City Parliament decrees regulations and by-laws that are executed by the City Council and the administration. The delegates are selected by means of a system of proportional representation. 
Question: How often are elections held for the City Parliament?
Example Output: every four years.

Example Input: Sentence: One of the first competitions he won was the Junior Mr. Europe contest in 1965. He won Mr. Europe the following year, at age 19. He would go on to compete in, and win, many bodybuilding contests. His bodybuilding victories included five Mr. Universe (4 – NABBA [England], 1 – IFBB [USA]) wins, and seven Mr. Olympia wins, a record which would stand until Lee Haney won his eighth consecutive Mr. Olympia title in 1991. 
Question: How many times did Schwarzenegger win the Mr. Olympia title?
Example Output:
seven

