tokens: A correlated subquery can be used in a WHERE clause , a HAVING clause , an IN clause , or in the SELECT list , but it is n't valid in the FROM clause , as an inline view query .
ner_tags: O O O O O O O O B-Code_Block O O O B-Code_Block O O O B-Code_Block O O O O O B-Code_Block B-Data_Structure O O O O O O O O B-Code_Block O O O O O O O O