Table: canoe_2008_men_c1
Columns: rank
athletes
country
time
notes

Question: What rank has a Time of 4:00.191?
SQL: SELECT "rank" FROM canoe_2008_men_c1 WHERE "time" = '4:00.191'

Question: What is the time for Brazil?
SQL: SELECT "time" FROM canoe_2008_men_c1 WHERE "country" = 'brazil'