CREATE TABLE table_65821 ("Part Number" TEXT, "Pins" TEXT, "Body Width/mm" FLOAT, "Body Length/mm" FLOAT, "Lead Pitch/mm" FLOAT)

Which Body Width/mm has a Lead Pitch/mm smaller than 0.55, and a Part Number of tsop48?
SELECT MIN("Body Width/mm") FROM table_65821 WHERE "Lead Pitch/mm" < '0.55' AND "Part Number" = 'tsop48'
SELECT MIN("Body Width/mm") FROM "table_65821" WHERE "Lead Pitch/mm" < '0.55' AND "Part Number" = 'tsop48'