How many Grammys has Metallica won for Best Rock Album?
2
1
1
1
1
1
1
1
2
1
2
3
1
5
2
3
1
5
2
3
1
5
2
3
1
5
2
3
1
5
2
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
5
2
4
3
5
2
4
3
5
2
6
4
3
5
2
6
4
3
5
2
6
4
0
7
3
5
2
6
4
7
3
0
5
6
4
7
3
5
0
6
4
7
6
4
7
6
4
7
6
4
7
6
4
7
6
4
10
7
6
10
7
6
8
10
7
6
8
10
7
6
13
9
8
10
7
6
13
9
8
10
7
6
13
9
8
10
7
6
13
9
8
10
7
11
6
13
12
9
8
10
7
11
6
13
12
9
8
10
7
11
13
12
9
8
10
7
11
13
12
9
8
10
7
11
13
12
9
8
10
11
15
13
ten
1 Grammy