CreateQuery most_ordinary_mt (children 3)
 Identifier most_ordinary_mt
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration Key (children 1)
    DataType UInt64
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList
