-- Database schema
| location : LocationID [ INTEGER ] primary_key , Country [ TEXT ] , State [ TEXT ] , StateCode [ TEXT ] , City [ TEXT ] | user : UserID [ TEXT ] primary_key , Gender [ TEXT ] | twitter : TweetID [ TEXT ] primary_key , Weekday [ TEXT ] , Hour [ INTEGER ] , Day [ INTEGER ] , Lang [ TEXT ] , IsReshare [ TEXT ] , Reach [ INTEGER ] , RetweetCount [ INTEGER ] , Likes [ INTEGER ] , Klout [ INTEGER ] , Sentiment [ REAL ] , text [ TEXT ] , LocationID [ INTEGER ] twitter.LocationID = location.LocationID , UserID [ TEXT ] twitter.UserID = user.UserID |
-- -- What is the gender of the user who has posted the tweet that got the most likes?

SELECT T2.Gender FROM twitter AS T1 INNER JOIN user AS T2 ON T1.UserID = T2.UserID ORDER BY T1.Likes DESC LIMIT 1;