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