CREATE TABLE table_76643 ("Target/Approach" TEXT, "Candidate Name" TEXT, "Trial Phase" TEXT, "Trial Start Date" TEXT, "Expected End Date" TEXT)

What is Trial Start Date, when Candidate Name is Notes?
SELECT "Trial Start Date" FROM table_76643 WHERE "Candidate Name" = 'notes'
SELECT "Trial Start Date" FROM "table_76643" WHERE "Candidate Name" = 'notes'