How many collaborative albums has Lady Gaga released?
2
1
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
0
1
4
3
2
5
4
3
5
6
4
5
6
4
5
7
6
4
5
7
6
4
5
7
6
4
5
7
6
5
7
6
5
7
6
8
5
7
6
8
5
7
6
8
7
9
6
8
7
9
6
8
11
7
9
6
8
10
11
7
9
6
8
10
11
7
9
6
8
10
11
7
9
6
8
10
11
7
9
6
8
10
11
7
9
6
8
12
13
10
11
7
9
6
8
12
13
10
11
7
9
6
8
12
13
10
11
7
9
8
12
13
10
11
7
62
128
66
128
61
128