CREATE TABLE table_51 ("Year" FLOAT, "Aircraft kilometers" FLOAT, "Departures" FLOAT, "Flying hours" FLOAT, "Passengers" FLOAT, "Seat factor" CLOB, "Employees" FLOAT, "Profit/loss" CLOB)

What percentage of seats were filled in 2006?
SELECT "Seat factor" FROM table_51 WHERE "Year" = '2006'
SELECT "Seat factor" FROM "table_51" WHERE "Year" = '2006'