Is there an error in train.json?

[gongleii]

{
"db_id": "movie_platform",
"question": "What is the name of the longest movie title? When was it released?",
"evidence": "longest movie title refers to MAX(LENGTH(movie_title)); when it was released refers to movie_release_year;",
"SQL": "SELECT movie_title, movie_release_year FROM movies ORDER BY LENGTH(movie_popularity) DESC LIMIT 1"
},

SELECT movie_title, movie_release_year FROM movies ORDER BY LENGTH(movie_title) DESC LIMIT 1 ?