Last Person to Fit in the Bus

Task: Find the name of the last person that can fit on the bus without exceeding the weight limit.

Table: Queue

+-------------+-------------+
| Column Name | Type        |
+-------------+-------------+
| person_id   | INT         |
| person_name | varchar(30) |
| weight      | INT         |
| turn        | INT         |
+-------------+-------------+

Input: Queue table:

+-----------+-------------+--------+------+
| person_id | person_name | weight | turn |
+-----------+-------------+--------+------+
| 5         | Alice       | 250    | 1    |
| 4         | Bob         | 175    | 5    |
| 3         | Alex        | 350    | 2    |
| 6         | John Cena   | 400    | 3    |
| 1         | Winston     | 500    | 6    |
| 2         | Marie       | 200    | 4    |
+-----------+-------------+--------+------+

Output:

+-------------+
| person_name |
+-------------+
| John Cena   |
+-------------+