List the name of tracks belongs to genre Rock or media type is MPEG audio file.
create table genres (id varchar, name varchar, PRIMARY KEY (id)); create table tracks (name varchar, genre_id varchar, media_type_id varchar, PRIMARY KEY (name)); create table media_types (id varchar, name varchar, PRIMARY KEY (id))
select t2.name from genres as t1 join tracks as t2 on t1.id = t2.genre_id join media_types as t3 on t3.id = t2.media_type_id where t1.name = "rock" or t3.name = "mpeg audio file"