CREATE TABLE table_38997 ("Jyutping" CLOB, "Character" CLOB, "Portuguese" CLOB, "Relative value" CLOB, "Metric value" CLOB, "Imperial value" CLOB)

what's the imperial that contains a jyutping of cin4?
SELECT "Imperial value" FROM table_38997 WHERE "Jyutping" = 'cin4'
SELECT "Imperial value" FROM "table_38997" WHERE "Jyutping" = 'cin4'