How many albums did The Beatles release in 1963?
2
2
2
2
2
2
2
2
2
1
2
1
3
2
1
3
2
1
3
2
1
3
5
2
1
3
5
2
4
1
3
5
2
4
1
3
5
6
2
4
1
3
5
6
2
4
1
3
5
6
2
4
1
3
5
6
2
4
1
3
5
6
2
4
1
3
5
6
4
1
3
5
6
4
1
3
5
6
4
1
3
5
6
4
1
3
5
6
4
1
0
3
5
6
4
1
3
0
5
6
4
1
3
5
6
4
0
3
5
6
4
0
5
6
4
0
5
6
4
10
8
5
6
4
0
10
7
8
6
4
10
0
7
8
6
10
7
8
0
6
10
7
8
0
10
7
8
2 albums
10
0
7
8
10
7
9
8
10
7
9
8
13
10
7
9
8
13
2 albums
10
5 albums
7
9
8
13
10
7
9
8
13
2 albums
10
7
9
8
13
10
12
7
9
8
13
2 albums
10
5 albums
12
7
9
8
13
10
12
7