Question: What is the title of the film that has the highest high market estimation.
Schema: create table film_market_estimation (film_id varchar, PRIMARY KEY (film_id)); create table film (film_id varchar, PRIMARY KEY (film_id))
SQL: select t1.title from film as t1 join film_market_estimation as t2 on t1.film_id = t2.film_id order by high_estimate desc limit 1