What is the compression ratio when the continuous power is  hp (KW) at 2,200 RPM and the critical altitude is at sea level?
CREATE TABLE "specifications_for_different_r_985_wasp_" (
  "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_superchargernum_altitude_effects_for_details" text,
  "power_takeoff" text,
  "compression_ratio" text,
  "supercharger_gear_ratio" text,
  "octane_rating" text,
  "dry_weight" text
);
SELECT COUNT("compression_ratio") FROM "specifications_for_different_r_985_wasp_" WHERE "power_continuous"='hp (kW) at 2,200 RPM' AND "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_superchargernum_altitude_effects_for_details"='sea level';