CREATE TABLE table_name_15 (heat_rank NUMBER, time VARCHAR2, lane VARCHAR2)

Tell me the average heat rank for time less than 24.02 and lane of 1
SELECT AVG(heat_rank) FROM table_name_15 WHERE time < 24.02 AND lane = 1
SELECT AVG("heat_rank") FROM "table_name_15" WHERE "lane" = 1 AND "time" < 24.02