Table: rowing_2008_men_lightweight_2
Columns: rank
rowers
country
time
notes

Question: What are the notes with the time 6:24.21?
SQL: SELECT "notes" FROM rowing_2008_men_lightweight_2 WHERE "time" = '6:24.21'

Question: What country is ranked #2?
SQL: SELECT "country" FROM rowing_2008_men_lightweight_2 WHERE "rank" = 2

Question: What's the time of Rank 3?
SQL: SELECT "time" FROM rowing_2008_men_lightweight_2 WHERE "rank" = 3