Table:
text: Roberto Guerrero
CART
CART
Year_ Team Chassis Engine Rank_ Points
1984 Bignotti-Cotter March 84C Ford Cosworth DFX 11th 52
1985 Team Cotter March 85C Ford Cosworth DFX 17th 34
1986 Team Cotter March 86C Ford Cosworth DFX 9th 87
1987 Granatelli Racing March 87C Ford Cosworth DFX 4th 106
1988 Granatelli Racing Lola T88/00 Ford Cosworth DFX 12th 40
1988 Granatelli Racing March 87C Ford Cosworth DFX 12th 40
1989 Alex Morales Motorsports March 89CE Alfa Romeo Indy V8 23rd 6
1989 Alex Morales Motorsports March 88C Alfa Romeo Indy V8 23rd 6
1990 Patrick Racing March 90CA Alfa Romeo Indy V8 16th 24

Question: Which Roberto Guerrero chassis scored 52 points among CART drivers?

Question: Which engine scored 6 points and used the March 88c chassis under Roberto Guerrero's CART?