How many people have ever served for more than 45 years in the US Senate?
5
2
2
4
2
4
2
4
1
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
0
4
5
1
3
2
4
0
5
1
3
2
4
5
1
3
0
2
4
5
1
3
2
6
0
4
5
1
3
2
6
4
0
5
1
3
7
2
6
4
5
1
3
7
0
2
6
4
5
1
3
7
2
6
0
4
5
1
3
7
2
6
4
0
5
1
3
7
2
8
6
4
5
1
3
7
0
8
6
4
5
1
3
7
8
6
0
9
5
1
3
7
8
6
0
9
5
1
3
7
8
6
9
5
3
7
8
6
9
7
8
6
9
7
8
11
6
9
7
8
11
6
9
7
8
11
6
9
7
8
11
6
13
10
9
7
8
11
6
13
10
9
7
8
11
6
13
10
9
7
12
8
11
6
13
10
9
7
12
8
11
13
ONE
66
62
ONE