How many presidents have been assassinated?
4
2
4
2
4
2
4
2
4
3
2
4
3
2
4
3
2
4
3
2
4
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
0
5
1
3
2
7
4
5
6
0
1
3
2
7
4
5
6
1
3
2
0
7
4
5
6
1
3
2
7
4
0
5
6
1
3
7
5
6
0
1
3
7
8
5
6
1
3
7
8
5
6
1
3
7
8
5
6
1
9
7
8
5
6
1
9
11
7
13
8
5
6
1
9
11
7
13
8
5
6
1
9
11
7
13
8
5
6
1
9
11
7
13
8
6
1
9
11
7
13
8
6
1
Four
9
11
7
13
8
6
1
Four
9
11
7
13
8
6
14
Four
9
11
7
13
8
6
14
Four
9
11
7
13
8
6
14
Four
9
11
7
13
8
6
14
Four
9
11