SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier a1 (alias a)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier a1 (alias b)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier a.ANIMAL
        Identifier b.ANIMAL
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier a1 (alias c)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier c.ANIMAL
        Identifier b.ANIMAL
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier a.ANIMAL
     Literal \'CROCO\'
