CREATE TABLE table_26609958_1 (groundwater_discharge__million_m_3__ INT, hydrographic_basin VARCHAR)

When cabarita river is the hydrographic basin what is the lowest groundwater discharge (million m 3)?
SELECT MIN(groundwater_discharge__million_m_3__) FROM table_26609958_1 WHERE hydrographic_basin = "Cabarita River"
SELECT MIN("groundwater_discharge__million_m_3__") FROM "table_26609958_1" WHERE "Cabarita River" = "hydrographic_basin"