CREATE TABLE table_74239 ("No" FLOAT, "Driver" TEXT, "Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT)

Name the constructor for b. bira
SELECT "Constructor" FROM table_74239 WHERE "Driver" = 'B. Bira'
SELECT "Constructor" FROM "table_74239" WHERE "Driver" = 'B. Bira'