CREATE TABLE table_77940 ("Player" CLOB, "Date of Birth" CLOB, "Batting Style" CLOB, "Bowling Style" CLOB, "First Class Team" CLOB)

When was roshan mahanama born?
SELECT "Date of Birth" FROM table_77940 WHERE "Player" = 'roshan mahanama'
SELECT "Date of Birth" FROM "table_77940" WHERE "Player" = 'roshan mahanama'