Table: rowing_2008_men_lightweight_5
Columns: rank
rowers
country
time
notes

Question: What country is ranked smaller than 2?
SQL: SELECT "country" FROM rowing_2008_men_lightweight_5 WHERE "rank" < 2

Question: What is the rank when the time is 6:50.48?
SQL: SELECT "rank" FROM rowing_2008_men_lightweight_5 WHERE "time" = '6:50.48'

Question: What is the highest rank with the notes of sa/b, and a time of 6:39.07?
SQL: SELECT MAX("rank") FROM rowing_2008_men_lightweight_5 WHERE "notes" = 'sa/b' AND "time" = '6:39.07'

Question: What shows for notes when rank is more than 4, and country is South Korea?
SQL: SELECT "notes" FROM rowing_2008_men_lightweight_5 WHERE "rank" > 4 AND "country" = 'south korea'