Table: archer_horse_races
Columns: age
date
track
race
distance_miles
jockey
handicap
field_no_horses
place
time
prize_money
sweepstake
archer_s_winnings

Question: What was the handicap when the prize money was 120s?
SQL: SELECT "handicap" FROM archer_horse_races WHERE "prize_money" = '120s'

Question: On what date was the handicap 8 st 12 lb?
SQL: SELECT "date" FROM archer_horse_races WHERE "handicap" = '8 st 12 lb'

Question: On what date was the track Ballarat? 
SQL: SELECT "date" FROM archer_horse_races WHERE "track" = 'Ballarat'