Table: alz_trials
Columns: target_approach
candidate_name
trial_phase
trial_start_date
expected_end_date

Question: What is Trial Start Date, when Candidate Name is Notes?
SQL: SELECT "trial_start_date" FROM alz_trials WHERE "candidate_name" = 'notes'

Question: What is Candidate Name, when Target/Approach is "vaccine to amyloid-beta"?
SQL: SELECT "candidate_name" FROM alz_trials WHERE "target_approach" = 'vaccine to amyloid-beta'

Question: What is Trial Phase, when Expected End Date is June 2007?
SQL: SELECT "trial_phase" FROM alz_trials WHERE "expected_end_date" = 'june 2007'

Question: What is Expected End Date, when Target/Approach is Notes?
SQL: SELECT "expected_end_date" FROM alz_trials WHERE "target_approach" = 'notes'

Question: What is Trial Start Date, when Candidate Name is PBT2?
SQL: SELECT "trial_start_date" FROM alz_trials WHERE "candidate_name" = 'pbt2'

Question: What is Expected End Date, when Trial Start Date is Nov 2007?
SQL: SELECT "expected_end_date" FROM alz_trials WHERE "trial_start_date" = 'nov 2007'