Table:
text: 1997–98 Chelsea F.C. season
League Cup
League Cup
Date_ Round Opponent Venue Result_ Attendance Scorers
15 October 1997 3 Blackburn Rovers H 1-1 18671 Di Matteo
After extra time, Chelsea won on 4-1 on penalties After extra time, Chelsea won on 4-1 on penalties After extra time, Chelsea won on 4-1 on penalties After extra time, Chelsea won on 4-1 on penalties After extra time, Chelsea won on 4-1 on penalties After extra time, Chelsea won on 4-1 on penalties After extra time, Chelsea won on 4-1 on penalties
19 November 1997 4 Southampton H 2-1 20968 Morris , Flo
7 January 1998 QF Ipswich Town A 2-2 22088 Le Saux , Flo

Question: What was the venue when Chelsea FC scored 2-1 in the 1997-1998 League Cup?

Question: What is the venue if the extra-time round shows Chelsea winning the 1997-1998 League Cup 4-1 on penalties?

Question: What was Chelsea FC's participation in the League Cup in 1997/98 when the score was 1-1?