what are the name of the reviewers?
select name from reviewer
how many of them have given ratings higher than 3?
select count ( t2.rid ) from rating as t1 join reviewer as t2 on t1.rid = t2.rid where t1.stars > 3
can you tell me their names?
select t2.name from rating as t1 join reviewer as t2 on t1.rid = t2.rid where t1.stars > 3