The Pittsburgh Steelers lead in Super Bowl wins with 6 rings totaled (1974, 1975, 1978, 1979, 2005, 2008). The 49ers (1981, 1984, , 1988, 1989, 10994) and the Dallas Cowboys (1971, 1977, 1992, 1993, 1995) are tied for second with 5 rings each. Tied for third most wins are the Patriots, Giants and Packers -- all with 4 championship wins.
A: The term of office for a U.S. Senator is six years. Elections are held every two years to replace approximately one-third of the 100 sitting senators.
The term length for Senators is 6 years (compared with the typical length of 2 years for representatives). Here is the histogram of term durations for all past Senators. Note: some people served multiple, non-consecutive terms, or changed parties, which counts in this data as a separate term. You can clearly see the spikes of 1, 2, ... 6 terms. The average term is 7.6 years (median 6 years) for all past Senators.