How many solo studio albums has Janet Jackson released?
11
3
2
3
2
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
6
3
2
1
5
7
4
6
3
2
1
5
7
4
6
3
2
1
5
7
4
6
3
2
1
5
7
4
6
3
2
1
5
7
8
4
6
1
5
7
8
4
6
1
5
7
8
4
6
11
9
5
7
8
6
11
9
5
7
8
6
11
9
5
7
10
8
6
11
9
7
10
8
6
11
9
7
10
8
6
11
9
12
13
7
10
8
6
11
9
12
13
7
10
8
6
11
9
12
13
7
10
8
14
6
11
9
12
13
7
10
8
14
6
11
9
12
13
7
10
8
14
6
11
9
12
13
128
128
112
128
112
128
4 albums