How many number one hits does Rick Astley have?
2
2
2
2
3
2
3
2
3
2
1
3
2
1
3
2
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
7
4
1
3
2
5
7
4
1
6
3
2
5
7
4
1
6
3
2
5
7
4
1
6
3
2
5
7
4
1
6
3
2
5
7
4
1
6
3
0
2
5
7
4
1
8
6
3
2
0
5
7
4
1
8
6
3
2
5
7
4
0
1
8
6
3
5
7
4
1
8
6
3
0
5
7
4
1
8
6
3
0
5
7
4
1
8
6
5
7
4
1
8
6
5
7
4
1
8
6
9
10
5
7
4
8
6
9
10
5
7
4
8
6
9
10
5
7
4
8
6
9
10
7
8
6
9
10
13
7
8
6
9
10
13
7
8
6
9
12
10
13
8
6
9
12
10
13
8
9
12
10
13
15
8
9
12
10
13
15
11
8
9
24
ten
ten