CREATE TABLE table_155 ("Team" TEXT, "Stadium" TEXT, "Capacity" FLOAT, "Lowest" FLOAT, "Highest" FLOAT, "Average" FLOAT)

How many stadiums are there with a capacity of 7500?
SELECT COUNT("Stadium") FROM table_155 WHERE "Capacity" = '7500'
SELECT COUNT("Stadium") FROM "table_155" WHERE "Capacity" = '7500'