user: Question: What was the most recent year a height of 2770 m and a HC climb before 1992 was climbed?
Columns: ['Height (m.)', 'No. of times visited', 'No. of HC climbs', 'First time as HC climb', 'Most recent']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['2744', 2.0, 2.0, 2008.0, 2011.0]
SQL:

assistant: SELECT "Most recent" FROM "Table" WHERE "Height (m.)" = '2770' AND "First time as HC climb" < 1992.0;