Context: CREATE TABLE song (f_id VARCHAR, resolution INTEGER); CREATE TABLE files (file_size VARCHAR, formats VARCHAR, f_id VARCHAR)
Question: List the file size and format for all songs that have resolution lower than 800.
Answer: SELECT DISTINCT T1.file_size, T1.formats FROM files AS T1 JOIN song AS T2 ON T1.f_id = T2.f_id WHERE T2.resolution < 800