CREATE TABLE table_10528 ("Rank" FLOAT, "Name" CLOB, "Height ft  ( m ) " CLOB, "Floors" FLOAT, "Year" FLOAT)

What is the average amount of floors of the building that is ranked larger than 30, a year prior to 1977 and an address of 100 Van Ness Avenue?
SELECT AVG("Floors") FROM table_10528 WHERE "Rank" > '30' AND "Year" < '1977' AND "Name" = '100 van ness avenue'
SELECT AVG("Floors") FROM "table_10528" WHERE "Name" = '100 van ness avenue' AND "Rank" > '30' AND "Year" < '1977'