What the average finish that have 24 start, year 1987?
Year Chassis Engine Start Finish Entrant
Kevin Cogan
1568649
real text text real real text
2-1568649-3
Indianapolis 500
Indianapolis 500
1981 Phoenix 80 Ford Cosworth DFX 12 4 Jerry O'Connell Racing
1982 Penske PC-10 Ford Cosworth DFX 2 30 Team Penske
1983 March 83C Ford Cosworth DFX 22 5 Bignotti-Cotter
1984 Eagle 84SB Pontiac V8 27 20 All American Racers
1985 March 85C Ford Cosworth DFX 32 11 Kraco Enterprises
1986 March 86C Ford Cosworth DFX 6 2 Patrick Racing
1987 March 87C Chevrolet 265A 24 31 Patrick Racing
1988 March 88C Ford Cosworth DFX 13 11 Machinist Union Racing Team
1989 March 88C Ford Cosworth DFX 27 32 Machinist Union Racing Team
1990 Penske PC-18 Buick 15 9 Granatelli Racing
1991 Lola T91/00 Buick 16 29 Team Menard
1993 Lola T93/00 Chevrolet 265C 14 14 Galles Racing
SELECT AVG Finish FROM table WHERE Start = 24 AND Year > 1987
24 1987