How many pilots have been elected to president of the US?
2
1
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
4
2
5
0
3
4
5
3
0
4
5
3
4
0
5
3
4
5
0
3
4
5
3
0
4
5
7
3
4
0
5
7
3
4
5
7
6
0
4
5
7
6
0
4
5
7
6
4
0
5
7
6
8
4
5
7
6
9
8
4
5
7
6
9
8
5
7
6
9
13
8
5
7
6
9
13
8
5
7
6
9
13
8
7
6
11
9
13
8
7
6
11
9
13
8
7
6
11
9
13
8
One
7
6
11
9
No
13
8
One
7
6
11
9
No
13
8
One
7
6
11
9
No
13
8
One
7
6
10
2 of them
3 of them
11
9
No
13
8
One
7
6
10