Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE writes ( aid int, pid int )
TABLE: CREATE TABLE publication_keyword ( kid int, pid int )
TABLE: CREATE TABLE keyword ( keyword varchar, kid int )
TABLE: CREATE TABLE domain_author ( aid int, did int )
TABLE: CREATE TABLE domain_publication ( did int, pid int )
TABLE: CREATE TABLE publication ( abstract varchar, cid int, citation_num int, jid int, pid int, reference_num int, title varchar, year int )
TABLE: CREATE TABLE author ( aid int, homepage varchar, name varchar, oid int )
TABLE: CREATE TABLE domain_journal ( did int, jid int )
TABLE: CREATE TABLE journal ( homepage varchar, jid int, name varchar )
TABLE: CREATE TABLE conference ( cid int, homepage varchar, name varchar )
TABLE: CREATE TABLE domain_conference ( cid int, did int )
TABLE: CREATE TABLE domain_keyword ( did int, kid int )
TABLE: CREATE TABLE cite ( cited int, citing int )
TABLE: CREATE TABLE domain ( did int, name varchar )
TABLE: CREATE TABLE organization ( continent varchar, homepage varchar, name varchar, oid int )

### Question ###
return me the keywords of ' Making database systems usable ' .

### Accurate SQL ###

SELECT keyword.keyword FROM keyword, publication, publication_keyword WHERE publication_keyword.kid = keyword.kid AND publication.pid = publication_keyword.pid AND publication.title = 'Making database systems usable'