CreateQuery b (children 3)
 Identifier b
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration k (children 1)
    DataType UInt64
   ColumnDeclaration b1 (children 1)
    DataType UInt64
   ColumnDeclaration b2 (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
