CCL:G: How to use PW91 and LYP in G03

Dear sir,
I am trying to use LYP and PW91 in G03. But I got an error message when I submit the job.
I therefore request you to guide me how to use the LYP and Pw91 in G03 program.
 
input file:
 
%chk=/work5/r0822/POSST12D6h/pt10D5h.chk
%mem=200MB
%nprocl=1
#T PW91/6-311G  OPT
 
PT10D5h-311G**
 
0 1
 Si    -0.0000003145  -2.7209281997  1.5981088866
 Si    -2.5873881549  -0.8401230504  1.5987192355
 
 
 
output:
 
 ******************************************
 Gaussian 03:  IA32L-G03RevC.02 12-Jun-2004
                17-Dec-2005
 ******************************************
 %chk=/work5/r0822/POSST12D6h/pt10D5h.chk
 %mem=200MB
 %nprocl=1
 Will use up to    1 processors via Linda.
 ------------------
 #T PW91/6-311G OPT
 ------------------
  QPERR --- A SYNTAX ERROR WAS DETECTED IN THE INPUT LINE.
 #T PW91/6-311G OPT
    '
 Last state="GCL"
 TCursr= 1020 LCursr=    3
 Error termination via Lnk1e in /usr/local/apps/g03/l1.exe at Sat Dec 17 14:51:07 2005.
 Job cpu time:  0 days  0 hours  0 minutes  0.1 seconds.
 File lengths (MBytes):  RWF=      7 Int=      0 D2E=      0 Chk=     37 Scr=      1

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