0574. Winning Candidate

https://leetcode.com/problems/winning-candidate

Description

Table: Candidate

+-----+---------+
| id  | Name    |
+-----+---------+
| 1   | A       |
| 2   | B       |
| 3   | C       |
| 4   | D       |
| 5   | E       |
+-----+---------+  

Table: Vote

+-----+--------------+
| id  | CandidateId  |
+-----+--------------+
| 1   |     2        |
| 2   |     4        |
| 3   |     3        |
| 4   |     2        |
| 5   |     5        |
+-----+--------------+
id is the auto-increment primary key,
CandidateId is the id appeared in Candidate table.

Write a sql to find the name of the winning candidate, the above example will return the winner B.

+------+
| Name |
+------+
| B    |
+------+

Notes:

1. You may assume there is no tie, in other words there will be only one winning candidate.

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