Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 2)
     Identifier value1
     Function toYear (alias year1) (children 1)
      ExpressionList (children 1)
       Identifier date1
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier date_t
    Function and (children 1)
     ExpressionList (children 2)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier year1
        Literal UInt64_1993
      Function and (children 1)
       ExpressionList (children 2)
        Function greaterOrEquals (children 1)
         ExpressionList (children 2)
          Identifier id
          Literal UInt64_1
        Function lessOrEquals (children 1)
         ExpressionList (children 2)
          Identifier id
          Literal UInt64_3
