CREATE TABLE table_26400041_2 (weeks_in_top_10 NUMBER, peak VARCHAR2)

if the peak is 9, how many weeks was it in the top 10?
SELECT MAX(weeks_in_top_10) FROM table_26400041_2 WHERE peak = 9
SELECT MAX("weeks_in_top_10") FROM "table_26400041_2" WHERE "peak" = 9