CreateQuery events (children 3)
 Identifier events
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration begin (children 1)
    DataType Float64
   ColumnDeclaration value (children 1)
    DataType Int32
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier begin
