CREATE TABLE table_name_32 (guns NUMBER, class VARCHAR2, year VARCHAR2)

What were the fewest amount of guns possessed by a frigate that served in 1815?
SELECT MIN(guns) FROM table_name_32 WHERE class = "frigate" AND year = "1815"
SELECT MIN("guns") FROM "table_name_32" WHERE "1815" = "year" AND "class" = "frigate"