Table: canoe_2008_men_c2
Columns: rank
athletes
country
time
notes

Question: What is the Rank of the Athletes with a Time of 3:43.491?
SQL: SELECT COUNT("rank") FROM canoe_2008_men_c2 WHERE "time" = '3:43.491'

Question: What are the Notes of the Athletes from Germany?
SQL: SELECT "notes" FROM canoe_2008_men_c2 WHERE "country" = 'germany'

Question: What is the Rank of the Athletes from Ukraine?
SQL: SELECT COUNT("rank") FROM canoe_2008_men_c2 WHERE "country" = 'ukraine'