Table schema:
CREATE TABLE candidate (people_id VARCHAR, support_rate VARCHAR); CREATE TABLE people (name VARCHAR, sex VARCHAR, people_id VARCHAR)

Question: Find the name and gender of the candidate who got the highest support rate.
SQL: SELECT t1.name, t1.sex FROM people AS t1 JOIN candidate AS t2 ON t1.people_id = t2.people_id ORDER BY t2.support_rate DESC LIMIT 1