Database: scholar
Question: Who wrote on the topic of Bacterial Wilt in 2016 ?
SQL:
SELECT DISTINCT t3.authorid FROM paperkeyphrase AS t1 JOIN keyphrase AS t2 ON t1.keyphraseid  =  t2.keyphraseid JOIN paper AS t4 ON t4.paperid  =  t1.paperid JOIN writes AS t3 ON t3.paperid  =  t4.paperid JOIN author AS t5 ON t3.authorid  =  t5.authorid WHERE t2.keyphrasename  =  "Bacterial Wilt" AND t4.year  =  2016;