CREATE TABLE table_68777 ("Name" CLOB, "Street Address" CLOB, "Years as tallest" CLOB, "Height ft / m" CLOB, "Floors" FLOAT)

What is the average number of floors at 170 Fourth Avenue North?
SELECT AVG("Floors") FROM table_68777 WHERE "Street Address" = '170 fourth avenue north'
SELECT AVG("Floors") FROM "table_68777" WHERE "Street Address" = '170 fourth avenue north'