CREATE TABLE table_1277 ("Mission name" TEXT, "Lunar lander" TEXT, "Lunar landing date" TEXT, "Lunar blastoff date" TEXT, "Lunar landing site" TEXT, "Duration on lunar surface" TEXT, "Crew" TEXT, "Number of s EVA" FLOAT, "Total EVA Time  ( HH:MM ) " TEXT)

Name the most number of s eva
SELECT MAX("Number of s EVA") FROM table_1277
SELECT MAX("Number of s EVA") FROM "table_1277"