How old was the youngest songwriter and producer to ever get a hit song to number one in the Billboard Charts?
16
50
50
50
50
50
21
69
57
62
50
21
59
17
69
57
62
50
21
58
77
17
59
61
69
57
50
21
62
18
58
17
23
77
63
50
59
21
61
69
57
18
5
62
17
23
58
22
77
50
63
21
13
18
59
61
5
17
69
23
57
40
14
62
22
50
21
13
58
16
77
63
18
20
5
17
11
15
23
59
61
40
14
12
66
3
69
22
57
50
21
13
62
16
4
18
20
58
5
25
17
11
15
23
77
63
24
40
14
12
3
22
50
28
59
21
61
13
66
69
16
4
57
18
20
5
62
25
17
7
11
15
23
24
40
2
14
58
12
3
22
77
50
63
28
21
29
13
30
16
4
18
59
68
61
20
5
10
66
25
17
7
11
69
15
23
57
24
40
2
14
62
12
3
19
22
50
28
36
21
29
13
58
27
30
16
77
4
63
18
26
20
5
10
25
17
7
11
15
23
38