CreateQuery TestTable (children 3)
 Identifier TestTable
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration column (children 1)
    DataType String
   ColumnDeclaration start (children 1)
    DataType DateTime
   ColumnDeclaration end (children 1)
    DataType DateTime
 Storage definition (children 2)
  Function MergeTree
  Identifier start
