select distinct year from cars_data where weight between 3000 and 4000;
In which years cars were produced weighing no less than 3000 and no more than 4000 ?
select distinct year from cars_data where weight between 3000 and 4000 ;
select distinct year from cars_data where weight between value and value
In which years cars were produced weighing no less than 3000 and no more than 4000 ?