How many U.S. presidents died of assassination?
4
2
2
2
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
4
1
2
3
4
1
2
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
0
1
2
5
3
4
0
1
2
5
3
4
1
2
5
0
3
4
7
6
1
5
3
4
7
0
6
1
5
3
4
7
6
0
1
5
3
7
6
1
5
0
7
6
1
5
7
0
6
1
5
7
6
0
1
5
7
8
6
1
5
0
7
8
6
1
9
5
7
0
8
6
9
5
7
8
6
0
9
5
7
8
6
9
7
8
6
9
11
7
8
6
9
11
7
8
6
9
13
11
7
8
6
9
13
11
7
8
6
9
13
11
7
8
6
9
13
11
7
8
6
9
10
13
11
7
4 of them
8
6
9
10
13
11
8
9
10
13
3 of them
11
8