Table: olympic_bmx_results
Columns: rank
name
1st_run
2nd_run
3rd_run
total

Question: With a 1st run of 53.300 (7), and greater than 21 total, what is the average rank?
SQL: SELECT AVG("rank") FROM olympic_bmx_results WHERE "1st_run" = '53.300 (7)' AND "total" > 21

Question: What 2nd run has a less than 6 rank, and 3 as the total?
SQL: SELECT "2nd_run" FROM olympic_bmx_results WHERE "rank" < 6 AND "total" = 3

Question: When the 3rd run is 36.490 (3) what is the 2nd run?
SQL: SELECT "2nd_run" FROM olympic_bmx_results WHERE "3rd_run" = '36.490 (3)'