How many presidents have been assassinated?
4
2
1
2
3
1
4
2
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
0
5
3
1
4
2
5
3
0
1
4
2
5
3
1
0
4
2
5
3
1
4
2
0
5
3
1
4
2
5
3
6
0
1
4
2
5
3
6
1
0
4
2
5
3
6
1
4
2
0
5
3
6
1
4
2
5
3
6
7
1
4
2
5
3
6
7
1
4
2
5
3
6
7
1
4
2
5
3
6
7
8
1
4
11
5
3
6
7
8
9
4
11
5
6
7
8
9
11
5
6
7
8
9
11
6
7
8
9
11
6
7
10
8
9
11
13
6
7
10
8
9
11
13
6
7
10
8
9
12
11
13
6
7
10
8
9
12
11
13
6
7
10
8
9
12
11
13
6
7
10
8
9
14
12
11
13
6
7
10
8
9
14
66
66
62
66
62
66