How many female vice presidents has the United States had?
1
2
2
2
2
2
1
2
1
2
1
2
1
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
5
2
3
1
4
5
2
3
1
4
5
2
3
1
4
5
2
3
1
4
5
2
3
1
0
4
5
3
1
4
5
0
3
1
4
5
0
3
1
7
4
5
3
1
0
7
4
5
3
7
4
5
0
3
6
7
4
5
0
3
6
7
4
5
3
6
0
7
4
5
8
6
9
7
5
8
6
9
7
5
8
6
9
7
5
8
6
9
7
13
5
8
6
9
7
13
5
8
6
9
7
13
5
8
6
9
7
13
8
6
9
7
11
13
12
8
6
9
7
11
13
12
8
6
9
7
11
13
12
8
6
10
9
7
11
13
12
8
6
10
9
7
11
13
12
8
6
10
9
7
11
13
12
8
6
10
9
7
11
13