CREATE TABLE table_name_59 (rank INT, result VARCHAR, group VARCHAR, athlete VARCHAR)

What is the average rank for Group A athlete Yanina Karolchyk, and a result higher than 18?
SELECT AVG(rank) FROM table_name_59 WHERE group = "a" AND athlete = "yanina karolchyk" AND result > 18
SELECT AVG("rank") FROM "table_name_59" WHERE "a" = "group" AND "athlete" = "yanina karolchyk" AND "result" > 18