CREATE TABLE table_28820 ("Hydrographic Basin" CLOB, "Surface Area  ( km 2  ) " FLOAT, "Rainfall totals  ( million m 3  ) " FLOAT, "Evapotranspiration  ( million m 3  ) " FLOAT, "Surface water runoff  ( million m 3  ) " FLOAT, "Groundwater discharge  ( million m 3  ) " FLOAT)

When martha brae, river is the hydrographic basin what is the rainfall totals (million m 3)?
SELECT "Rainfall totals (million m 3 )" FROM table_28820 WHERE "Hydrographic Basin" = 'Martha Brae, River'
SELECT "Rainfall totals (million m 3 )" FROM "table_28820" WHERE "Hydrographic Basin" = 'Martha Brae, River'