Table: rowing_2008_men_coxless_2
Columns: rank
athlete
country
time
notes

Question: Which Rank has a Time of 5:56.73?
SQL: SELECT "rank" FROM rowing_2008_men_coxless_2 WHERE "time" = '5:56.73'

Question: Which Rank has Notes of fb, and a Time of 5:57.31?
SQL: SELECT "rank" FROM rowing_2008_men_coxless_2 WHERE "notes" = 'fb' AND "time" = '5:57.31'