SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier event
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.events
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier event
     Literal \'ServerStartupMilliseconds\'
