case 3:
                // delete from

                 matcher = Pattern.compile("(?i)\\s*DELETE\\s+FROM\\s*(\\w+)\\s*where\\s*(\\w+)\\s*(=|<|>)\\s*(\\w+)\\s*;").matcher(query);
                if (matcher.find()) {
                     name = matcher.group(1);
                    String op = matcher.group(3);
                    String LHS = matcher.group(2);
                     String RHS = matcher.group(4);

                     //Delete (String tableName ,char operator, String col, String val )
                     char[] operand = op.toCharArray();
                       System.out.print( name + " " +LHS + " "+op  + " " + RHS );
                      Controller.controller().Delete(name, operand[0], LHS, RHS);

                }


                break;