How many number one hits did Billy Ocean have?
3
2
2
2
3
2
3
2
3
2
1
3
2
1
3
2
1
3
5
2
1
3
4
5
2
1
3
4
5
2
1
3
4
5
2
1
3
4
5
2
1
3
4
5
6
2
1
3
4
5
7
6
2
1
3
4
5
7
6
2
1
3
4
5
7
6
2
1
0
3
4
5
7
6
2
1
3
4
5
7
0
6
2
1
3
4
5
7
6
2
0
1
3
4
5
7
8
6
1
0
3
4
5
7
8
6
1
3
4
5
7
0
8
6
1
4
5
7
8
6
0
1
4
5
7
8
6
1
4
5
7
8
6
4
5
7
8
6
10
4
5
12
7
8
6
13
9
10
4
12
7
8
6
13
9
10
12
7
8
6
13
9
10
12
7
8
6
13
9
10
12
7
8
6
13
9
10
12
7
8
6
13
9
10
12
7
8
13
9
10
12
8
13
9
11
10
12
15
ten
ten
ten