CREATE TABLE table_70496 ("Venue" TEXT, "City" TEXT, "Tickets Sold / Available" TEXT, "Gross Revenue  ( 1986 ) " TEXT, "Gross Revenue  ( 2011 ) " TEXT)

What was the gross revenue (1986) when there were tickets sold/available of 24,000 / 24,000 (100%)?
SELECT "Gross Revenue (1986)" FROM table_70496 WHERE "Tickets Sold / Available" = '24,000 / 24,000 (100%)'
SELECT "Gross Revenue (1986)" FROM "table_70496" WHERE "Tickets Sold / Available" = '24,000 / 24,000 (100%)'