CREATE TABLE table_16226584_1 (length_feet INT, km_from_kingston VARCHAR)

When the kilometers from kingston is 105.4 what is the minimum amount of length in feet?
SELECT MIN(length_feet) FROM table_16226584_1 WHERE km_from_kingston = "105.4"
SELECT MIN("length_feet") FROM "table_16226584_1" WHERE "105.4" = "km_from_kingston"