CREATE TABLE table_9862 ("Date" CLOB, "Name" CLOB, "Nationality" CLOB, "Tonnage  ( GRT ) " FLOAT, "Fate" CLOB)

Which Tonnage (GRT) has a Nationality of united kingdom, and a Name of king gruffydd?
SELECT MIN("Tonnage (GRT)") FROM table_9862 WHERE "Nationality" = 'united kingdom' AND "Name" = 'king gruffydd'
SELECT MIN("Tonnage (GRT)") FROM "table_9862" WHERE "Name" = 'king gruffydd' AND "Nationality" = 'united kingdom'