SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function groupArrayLast (children 2) ExpressionList (children 1) Function plus (children 1) ExpressionList (children 2) Identifier number Literal UInt64_1 ExpressionList (children 1) Literal UInt64_1 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_5