CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration s (children 1)
    DataType String
   ColumnDeclaration json (children 2)
    DataType JSON
    Identifier s
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
