CREATE TABLE table_12555 ("Club" CLOB, "City" CLOB, "Arena" CLOB, "Capacity" FLOAT, "Last Year" CLOB)

What is the capacity of Band rma Banvit?
SELECT AVG("Capacity") FROM table_12555 WHERE "Club" = 'bandırma banvit'
SELECT AVG("Capacity") FROM "table_12555" WHERE "Club" = 'bandırma banvit'