How many Americans have walked on the moon?
12
3
3
3
3
3
3
11
3
5
11
3
5
11
3
5
12
11
13
3
5
12
11
13
7
3
5
12
11
13
7
3
5
12
11
13
4
7
3
5
12
11
9
13
4
7
3
5
12
11
9
13
6
4
7
3
2
5
12
11
9
13
8
6
4
7
3
2
5
12
11
9
13
8
6
4
7
3
2
5
12
11
9
13
8
6
4
7
3
2
5
12
11
9
13
8
6
4
14
7
3
2
5
12
11
9
1
13
8
6
4
14
7
3
2
5
12
11
9
1
13
8
6
4
14
7
2
5
12
11
9
1
13
10
8
6
4
14
7
2
5
12
11
9
1
13
10
8
6
4
14
7
2
5
12
11
9
1
13
10
8
6
4
14
7
2
5
12
11
9
1
13
10
8
6
4
14
7
2
5
12
11
9
1
13
10
8
6
4
14
7
2
5
12
9
1
13
10
6
13 Americans
369