How many studio albums has Led Zeppelin released?
9
3
3
4
3
4
3
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
1
4
5
3
2
1
4
5
3
7
2
1
4
5
3
6
7
2
1
4
5
3
6
7
2
1
4
0
5
3
6
7
2
1
4
5
3
6
0
7
2
1
4
5
3
6
8
0
7
2
1
4
5
3
6
8
7
2
1
4
0
5
3
6
8
7
2
1
4
5
3
6
0
8
7
2
1
9
4
5
6
8
11
0
7
2
1
9
4
5
6
8
11
7
2
1
9
0
5
6
8
11
10
7
2
1
9
12
5
6
0
8
11
10
7
2
1
9
12
6
13
8
11
0
10
7
1
9
12
6
13
8
11
10
7
1
9
0
12
6
13
8
11
10
14
7
1
9
12
6
16
13
8
11
62
10
14
7
1
9
12
6
16
13
8
11
14
62
66
62