help extracting user info

please can anyone help me i have a ipb forum some how i accidently delete my post i have a old backup from 3 week ago how can i extract the post from the backup
NOTE: the only post that was deleted was post made by me none of the other member post was deleted
i did not want to restore the entire post table beacause i would loose post in the past 3 weeks
can anyone help me with a script or anything i can used to extract post of the post table where the poster id is 1
here is a sample

INSERT INTO `ibf_posts` VALUES (2, 0, NULL, 1, 'albertldee', 1, 1, '12.8.34.199'
INSERT INTO `ibf_posts` VALUES (3, 0, NULL, 4, 'Þ®ÍÑ¢ê-ÄѤ', 1, 1, '207.44.154.35
INSERT INTO `ibf_posts` VALUES (4, 0, NULL, 6, 'demarcus', 1, 1, '69.142.131.149
INSERT INTO `ibf_posts` VALUES (5, 0, NULL, 7, 'gottasteu', 1, 1, '65.12.169.41

the post table has about 122000 line like above i just want to extract all the line that has albertldee like line number 1