CreateQuery A (children 3)
 Identifier A
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration t (children 1)
    DataType DateTime64 (children 1)
     ExpressionList (children 2)
      Literal UInt64_3
      Literal \'UTC\'
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier t