which company did Alyson published a book for?
SELECT T1.company_name FROM culture_company AS T1 JOIN book_club AS T2 ON T1.book_club_id   =   T2.book_club_id WHERE T2.publisher   =   'Alyson'
company that Alyson published a book for refers to T1.company_name; JOIN operation is used to connect tables based on a common column; WHERE clause is used to filter records based on condition;