[pysqlite] [APSW 3.6.5-r1] Why does this INSERT fail?

Hello,

I can't figure out why this INSERT fails. Maybe some fresh eyes can 
pick the cause of the error:

==========
connection=apsw.Connection("mydb.sqlite")
cursor=connection.cursor()

cursor.execute("BEGIN")
#Extracting one record at at time
matches = record.finditer(response)
for m in matches:
	item = m.group(1)

	#All records have those
	itemmatch = core.search(item)
	if itemmatch:
		name = itemmatch.group(1).strip()
		address = itemmatch.group(2).strip()
		tel = itemmatch.group(3).strip()

	#Some records have a web address
	itemmatch = www.search(item)
	if itemmatch:
		web = itemmatch.group(1).strip()
		
	#Some records have an e-mail address
	itemmatch = mail.search(item)
	if itemmatch:
		email = itemmatch.group(1).strip()

	sql = "INSERT INTO person (name,address,tel,web,email) VALUES (?,?,?,?,?)"
	try:
		cursor.execute(sql,(name,address,tel,web,email))
	except:
		#Here : why does it fail?
		print "Failed %s" % sql

cursor.execute("COMMIT")
connection.close(True)
==========

Thank you.