CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration S1 (children 1)
    DataType String
   ColumnDeclaration S2 (children 1)
    DataType String
   ColumnDeclaration S3 (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_4
 Storage definition (children 1)
  Function Memory
