How many of the four Grand Slam titles in tennis has Naomi Osaka won at least once?
2
1
1
1
1
1
1
1
2
1
2
1
2
1
3
2
1
3
2
1
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
5
2
1
4
3
5
2
1
4
3
5
2
4
3
5
2
4
3
5
2
0
4
3
5
2
0
4
3
5
2
0
4
3
5
2
4
3
5
2
4
3
5
6
4
3
5
6
4
3
5
6
7
4
5
6
7
4
5
6
7
4
5
6
7
5
6
7
5
6
7
5
6
7
5
6
11
7
8
5
6
11
9
7
8
6
11
9
7
8
6
11
9
7
10
8
6
11
9
7
10
8
6
11
9
13
7
10
8
6
11
9
13
7
10
12
8
6
11
9
13
7
10
12
8
6
11
9
13
7
10
One
12
8
6
11
14
9
13
7
10
One
12
8
6
11
14
9
13
7
ONE
ONE
ONE
-1
62
66