CREATE TABLE table_10976 ("Name" TEXT, "Street address in Detroit" TEXT, "Years as tallest" TEXT, "Height feet / m" TEXT, "Floors" FLOAT)

How many floors does detroit marriott at the renaissance center have?
SELECT MAX("Floors") FROM table_10976 WHERE "Name" = 'detroit marriott at the renaissance center'
SELECT MAX("Floors") FROM "table_10976" WHERE "Name" = 'detroit marriott at the renaissance center'