Привет всем... Нужна помощь с SQL Injection

Запросы:

1. http://site.com/xmlstats.php?affid=100&dt='

2. http://site.com/xmlstats.php?affid=100&dt=1'

3. http://site.com/xmlstats.php?affid=100&dt=1' OR 1=1

Ошибки:

1.

XML Parsing Error: syntax error

Location: http://site.com/xmlstats.php?affid=100&dt=%27

Line Number 1, Column 22:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '00:00:00' and '' 23:59:59'' at line 5

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2.

XML Parsing Error: syntax error

Location: http://site.com/xmlstats.php?affid=100&dt=1%27

Line Number 1, Column 22:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '00:00:00' and '1' 23:59:59'' at line 5

---------------------^

3.

XML Parsing Error: syntax error

Location: http://site.com/xmlstats.php?affid=100&dt=1%27%20OR%201=1

Line Number 1, Column 22:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OR 1=1 00:00:00' and '1' OR 1=1 23:59:59'' at line 5

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Есть ли возможность заюзать SQL Inection в данном случае? На месте &dt должна быть дата например 2011-03-19