SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function sum (children 1) ExpressionList (children 1) Function length (children 1) ExpressionList (children 1) Identifier Title TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier hits_none