How many first ladies have died in the White House?
3
1
2
1
2
1
2
1
3
2
1
3
2
1
3
2
1
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
0
3
4
2
5
1
3
4
0
2
5
1
3
4
2
0
5
1
3
4
2
5
1
0
3
4
2
5
1
3
4
0
2
5
1
3
4
2
0
5
1
6
3
4
2
5
0
6
3
4
5
7
6
3
4
0
5
7
6
3
4
0
5
7
6
4
5
0
7
6
4
5
7
6
4
0
5
7
6
8
5
7
6
8
9
5
7
6
8
9
5
7
6
8
9
7
6
8
9
11
7
6
8
9
11
7
6
8
9
11
7
6
8
9
11
10
7
6
8
9
11
10
13
7
6
8
9
11
10
13
7
6
8
9
11
10
13
7
6
8
9
11
10
13
7
6
8
12
9
11
10
13
7
62
66
62