CreateQuery table2 (children 3)
 Identifier table2
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration c (children 1)
    DataType String
   ColumnDeclaration a (children 1)
    DataType String
   ColumnDeclaration d (children 1)
    DataType Date
 Storage definition (children 2)
  Function MergeTree
  Identifier c
