How many lead singers has Van Halen had?
3
2
2
2
2
2
3
2
3
2
3
5
1
2
3
5
1
2
3
5
1
2
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
4
3
5
1
4
0
3
5
1
4
3
5
0
1
4
3
5
1
0
4
5
1
4
0
5
1
4
0
4
0
4
6
4
0
6
7
6
0
7
6
0
7
6
7
0
6
7
6
7
6
14
7
6
14
7
6
8
14
7
6
8
14
7
6
8
14
7
6
8
14
7
6
8
10
14
7
6
13
8
10
Four
14
7
6
13
9
8
10
Four
two
14
7
6
13
12
9
8
10
Four
two
14
7
6
13
12
9
8
10
Four
two
14
7
6
13
12
9
8
10
Four
two
14
7
6
13
12
ten