Table:
text: Hors catégorie
Tour de France
Tour de France
Height_m_ No_of_times_visited No_of_HC_climbs First_time_as_HC_climb Most_recent
2744 2 2 2008 2011
1850/1860 29 25 1979 2013
2240 2 2 1997 2009
1655 2 1 2013 2013
1709 48 14 1980 2012
1755 3 3 2007 2012
1780 5 5 1998 2011
2715 4 2 1993 2008
1730 1 1 2001 2001
2067 16 8 1989 2012
2556/2645 56 19 1979 2011
1924 12 4 1981 2013
1501 1 1 2012 2012
2465 5 1 2009 2009
2413 1 1 1986 1986
1560 4 4 1994 2008
2770 5 2 1992 2007
1900 1 1 1993 1993
2360 32 6 1986 2011
1691 11 6 1981 2006

Question: According to Hors catégorie, what was the last year with a height of 2770 m and a HC ascent before 1992?