Table:
text: Tadahiko Taira
Grand Prix career statistics
Grand Prix career statistics
Year_ Class_ Team Machine Points Wins
1984 500cc Marlboro Yamaha YZR500 10 0
1985 500cc Marlboro Yamaha YZR500 2 0
1986 250cc Marlboro Yamaha YZR250 28 1
1987 500cc Marlboro Yamaha YZR500 56 0
1988 500cc Yamaha Racing Team YZR500 36 0
1989 500cc Tech-21 Yamaha YZR500 39 0
1990 500cc Tech-21 Yamaha YZR500 10 0
1991 500cc Y.R.T.R. Yamaha YZR500 0 0

Question: What are the points after 1991 for Tadahiko Taira?

Question: Which class below Tadahiko Taira has 36 points?

Question: What is the post-1986 class for Tadahiko Taira?