CREATE TABLE table_58370 ("Year" TEXT, "Start" TEXT, "Qual" TEXT, "Rank" TEXT, "Finish" TEXT, "Laps" FLOAT)

What is the lowest lap with a rank of 30?
SELECT MIN("Laps") FROM table_58370 WHERE "Rank" = '30'
SELECT MIN("Laps") FROM "table_58370" WHERE "Rank" = '30'