Database: scholar
Question: what year was the first deep learning paper published ?
SQL:
SELECT DISTINCT t2.datasetid  ,  t4.year FROM paperdataset AS t3 JOIN dataset AS t2 ON t3.datasetid  =  t2.datasetid JOIN paperkeyphrase AS t1 ON t1.paperid  =  t3.paperid JOIN paper AS t4 ON t4.paperid  =  t3.paperid JOIN keyphrase AS t5 ON t1.keyphraseid  =  t5.keyphraseid WHERE t5.keyphrasename  =  "deep learning" ORDER BY t4.year ASC;