How many ships were in Columbus voyage to the Americas?
3
3
4
3
4
3
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
7
2
5
4
3
7
2
1
5
4
3
7
2
1
5
4
3
7
6
2
1
5
4
3
7
6
2
1
8
5
4
3
7
6
2
1
8
5
4
3
7
6
2
1
8
5
4
3
7
6
2
1
8
5
14
4
3
7
6
2
1
8
5
14
4
3
7
6
2
1
8
5
14
9
12
10
4
3
7
6
2
1
8
5
14
9
12
10
4
11
7
6
2
1
8
5
14
9
12
10
11
7
0
6
2
1
8
5
14
9
12
10
11
7
13
6
2
1
8
0
5
14
9
12
10
11
7
13
6
1
8
14
9
12
0
10
11
7
13
6
1
8
14
9
12
10
11
7
13
0
6
1
8
14
9
12
16
10
11
7
0
102
0
102
132
102
66
132
333