How many books written by a president has won a Pulitzer award?
1
1
1
1
1
1
1
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
5
1
4
2
3
5
4
2
3
5
0
4
2
3
5
4
0
2
3
5
4
0
2
3
5
4
2
3
5
0
4
2
3
5
4
0
3
5
4
0
3
5
4
6
3
5
0
4
6
3
5
4
6
7
5
4
6
7
5
4
6
7
5
4
6
7
5
6
7
5
6
7
5
6
9
7
5
8
6
9
7
5
8
6
9
7
11
8
6
9
7
11
8
6
One
9
7
11
8
6
One
9
7
11
8
6
One
9
7
11
8
10
6
One
9
7
11
8
10
13
6
One
9
7
11
8
10
13
6
One
9
7
12
11
8
10
13
6
One
9
7
12
11
8
10
13
6
One
ONE
ONE
ONE
ONE
ONE