Database: aan_1
Question: Who has the most papers co-authored with Mckeown , Kathleen ?
SQL:
select t4.name from author_list as t1 join author_list as t2 on t1.paper_id  =  t2.paper_id and t1.author_id != t2.author_id join author as t3 on t1.author_id  =  t3.author_id join author as t4 on t2.author_id  =  t4.author_id where t3.name = "mckeown ,  kathleen" group by t2.author_id order by count(*) desc limit 1