Table: catherine_wheel_album_sales
Columns: region
date
label
format
catalog

Question: What is the format for the album under the label, luaka bop, that had a catalog number of 3645 and dated after 1981?
SQL: SELECT "format" FROM catherine_wheel_album_sales WHERE "catalog" = '3645' AND "date" > 1981 AND "label" = 'luaka bop'

Question: what is the earliest date for the album that had a catalog number of 3645, was formatted as a cd and was under the luaka bop label?
SQL: SELECT MIN("date") FROM catherine_wheel_album_sales WHERE "catalog" = '3645' AND "format" = 'cd' AND "label" = 'luaka bop'

Question: Under what label was the album with the catalog of 3645 and came out later than 1987?
SQL: SELECT "label" FROM catherine_wheel_album_sales WHERE "catalog" = '3645' AND "date" > 1987