How many ships were in Columbus voyage to the Americas?
3
4
4
4
5
4
5
4
5
4
5
4
5
4
5
4
5
4
5
3
4
5
3
4
5
3
4
5
3
4
5
3
4
5
3
4
5
3
4
5
3
4
5
2
3
4
5
2
3
4
5
2
3
5
2
3
5
2
3
2
3
2
3
2
3
6
10
2
3
6
10
2
3
6
8
10
2
11
3
6
8
14
10
2
11
3
6
8
14
10
2
11
7
6
8
14
10
2
11
7
6
8
14
10
2
11
7
6
8
14
10
2
11
15
7
6
9
8
14
10
2
11
15
7
6
9
8
14
10
2
11
13
15
7
6
9
8
14
10
2
11
13
15
7
6
9
8
14
10
2
11
13
15
7
6
9
8
14
10
11
13
15
7
6
9
8
14
10
11
13
15
7
6
9
1
8
14
10
11
13
15
7
6
9
1
8
14
10
11
13
15
7
6
9
1
8
14
10
11
13
15