CREATE TABLE table_32761 ("Name" TEXT, "Release date" TEXT, "Latest version" TEXT, "Status support" TEXT, "Source model" TEXT, "Architecture" TEXT, "Target market" TEXT)

Which Source model has a Release date of 1992-04-06?
SELECT "Source model" FROM table_32761 WHERE "Release date" = '1992-04-06'
SELECT "Source model" FROM "table_32761" WHERE "Release date" = '1992-04-06'