What was the most recent year a height of 2770 m and a HC climb before 1992 was climbed?
CREATE TABLE table_name_56 (
    most_recent VARCHAR,
    height__m_ VARCHAR,
    first_time_as_hc_climb VARCHAR
)
SELECT COUNT(most_recent) FROM table_name_56 WHERE height__m_ = "2770" AND first_time_as_hc_climb < 1992
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What was the most recent year a height of 2770 m and a HC climb before 1992 was climbed? ### Input: CREATE TABLE table_name_56 (
    most_recent VARCHAR,
    height__m_ VARCHAR,
    first_time_as_hc_climb VARCHAR
) ### Response: SELECT COUNT(most_recent) FROM table_name_56 WHERE height__m_ = "2770" AND first_time_as_hc_climb < 1992