SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Function minus (alias lat) (children 1) ExpressionList (children 2) Identifier number Literal UInt64_90 ExpressionList (children 1) Function equals (children 1) ExpressionList (children 2) Function greatCircleAngle (children 1) ExpressionList (children 4) Literal UInt64_0 Literal UInt64_0 Literal UInt64_0 Identifier lat Function abs (children 1) ExpressionList (children 1) Identifier lat TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_180