CREATE TABLE table_78177 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

What is the low grid that has brm and over 54 laps?
SELECT MIN("Grid") FROM table_78177 WHERE "Constructor" = 'brm' AND "Laps" > '54'
SELECT MIN("Grid") FROM "table_78177" WHERE "Constructor" = 'brm' AND "Laps" > '54'