How many presidents have died by assassination?
4
2
4
2
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
7
3
1
5
4
2
7
6
3
1
5
4
2
7
0
6
3
1
5
4
2
7
6
3
1
5
0
4
2
7
6
3
1
5
4
7
0
6
3
1
5
7
8
6
3
1
5
7
8
6
1
5
7
8
6
1
5
9
7
8
6
1
5
9
7
8
6
1
5
9
7
8
6
11
1
5
9
7
13
8
6
11
1
9
7
13
8
6
11
1
9
7
13
8
6
11
1
9
7
13
8
6
11
1
9
7
13
8
6
11
9
7
13
8
Four
6
11
9
7
13
8
Four
6
11
9
7
13
8
Four
6
11
9
13
14
8
Four
6
11
9
13
14
10
8
Four