How many first female vice presidents have there been in the United States?
1
2
2
2
2
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
5
4
1
2
3
5
4
1
2
3
5
4
1
2
3
5
4
0
1
2
3
5
4
1
0
3
5
4
1
3
5
0
4
1
7
3
5
4
0
1
7
3
5
4
6
7
0
3
5
4
6
7
3
5
0
4
6
7
3
5
4
0
6
7
3
5
4
6
7
0
5
4
6
7
5
8
0
4
9
6
7
5
8
0
9
6
7
5
8
9
6
7
5
8
9
6
7
5
8
9
13
6
7
5
8
9
13
6
7
8
9
13
6
7
8
11
9
13
6
7
8
11
9
13
6
7
8
11
9
13
6
7
8
11
9
12
13
6
7
8
11
9
12
13
6
7
10
8
11
9
12
13
6
10
8
11
9
12
13