Did he ride for PDM in 1986? Yes
Adrie van der Poel? No (I believe that there were three possible answers before RhD's question, of which thiss was one. I think there is only one possibility now.
Male? Yes
Active? No
Started more GTs than Eric Heiden? Yes
Active after 2000? No
European? Yes
Active after 2010? No
Active before 2000? Yes
Born south of 40° latitude? No
From a Catholic country? No
Active after 1980? Yes
Active before 1980? No
From a country with both red and white in its flag? Yes
Currently alive? Yes
GT stage winner? Yes
Finished at least three different monuments? Yes
Started all three GTs? Yes
Other colours in flag? Yes
Active in the 90s? Yes
Started a GT which also had Eric Heiden in it? Yes
Dutch? Yes
Started the 1986 Tour for a team with a majority-Dutch lineup? Yes