CREATE TABLE table_63153 ("Rank" FLOAT, "Rowers" CLOB, "Country" CLOB, "Time" CLOB, "Notes" CLOB)

What was the lowest ranking rower from Great Britain?
SELECT MIN("Rank") FROM table_63153 WHERE "Country" = 'great britain'
SELECT MIN("Rank") FROM "table_63153" WHERE "Country" = 'great britain'