CREATE TABLE table_28222 ("Region" TEXT, "Land area  ( km 2  ) " TEXT, "Rainfall by depth  ( mm/year ) " FLOAT, "Rainfall by volume  ( km 3 /year ) " TEXT, "Surface run off  ( km 3 /year ) " TEXT, "Infiltration  ( km 3 /year ) " TEXT, "Evapotranspiration  ( km 3 /year ) " TEXT)

In Pacifico Central where the rainfall by depth (mm/year) was 2801 what was the rainfall by volume?
SELECT "Rainfall by volume (km 3 /year)" FROM table_28222 WHERE "Rainfall by depth (mm/year)" = '2801'
SELECT "Rainfall by volume (km 3 /year)" FROM "table_28222" WHERE "Rainfall by depth (mm/year)" = '2801'