CreateQuery data (children 3)
 Identifier data
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration part (children 1)
    DataType Int
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier part
  Function tuple (children 1)
   ExpressionList
