SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 3) Function regionToName (children 1) ExpressionList (children 2) Function CAST (children 1) ExpressionList (children 2) Identifier number Literal \'UInt32\' Literal \'en\' Function regionToCountry (alias id) (children 1) ExpressionList (children 1) Function CAST (children 1) ExpressionList (children 2) Identifier number Literal \'UInt32\' Function regionToName (children 1) ExpressionList (children 2) Identifier id Literal \'en\' TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_13