CREATE TABLE table_16548 ("Engine" TEXT, "Power ,  continuous" TEXT, "Critical altitude This is the highest altitude at which the engine can achieve its full continuous power rating. Above this altitude ,  power falls off with height as with a naturally aspirated engine . See Supercharger#Altitude effects for details." TEXT, "Power ,  takeoff" TEXT, "Compression ratio" TEXT, "Supercharger gear ratio" TEXT, "Octane rating" TEXT, "Dry weight" TEXT)

What is the compression ration when the continuous power is hp (kw) at 2,200 RPM and the octane rating is 80/87?
SELECT "Compression ratio" FROM table_16548 WHERE "Power, continuous" = 'hp (kW) at 2,200 RPM' AND "Octane rating" = '80/87'
SELECT "Compression ratio" FROM "table_16548" WHERE "Octane rating" = '80/87' AND "Power, continuous" = 'hp (kW) at 2,200 RPM'