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