How many NFL teams did Len Dawson play on?
3
3
3
2
3
2
3
2
3
2
3
2
4
3
2
4
3
2
4
3
1
2
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
6
5
4
3
1
2
6
5
4
3
1
2
6
5
4
3
1
2
6
5
4
1
2
6
5
4
1
6
5
4
1
7
6
5
4
1
7
6
5
4
1
7
6
5
4
1
7
6
5
0
1
7
6
5
0
1
7
6
5
7
0
6
5
7
6
0
8
7
6
0
8
7
6
8
7
0
6
8
7
2 teams
13
6
0
8
7
13
6
9
8
7
13
6
2 teams
9
8
7
13
9
8
7
12
13
3 teams
9
8
7
12
13
10
2 teams
9
8
7
4 teams
12
13
10
9
3 teams
8
7
12
13
10
9
8
7
2 teams
12
13
10
11
4 teams
9
8
12
13
10
11
3 teams