Question: What is the lowest overall amount of rainfall totals (million m 3)?
SQL: SELECT MIN("Rainfall totals (million m 3 )") FROM "1-26609958-1";

Question: When Cabarita River is the hydrographic basin what is the lowest groundwater discharge (million m 3)?
SQL: SELECT MIN("Groundwater discharge (million m 3 )") FROM "1-26609958-1" WHERE "Hydrographic Basin" = 'Cabarita River';

Question: When Martha Brae, River is the hydrographic basin what is the rainfall totals (million m 3)?
SQL: SELECT "Rainfall totals (million m 3 )" FROM "1-26609958-1" WHERE "Hydrographic Basin" = 'Martha Brae, River';