CREATE TABLE table_60834 ("Aircraft" TEXT, "Introduced" FLOAT, "Retired" TEXT, "Seating" TEXT, "Notes" TEXT)

How many people can be seated on the aircraft that was introduced in 2008 and has notes of in service?
SELECT "Seating" FROM table_60834 WHERE "Notes" = 'in service' AND "Introduced" = '2008'
SELECT "Seating" FROM "table_60834" WHERE "Introduced" = '2008' AND "Notes" = 'in service'