Table: pdctour_results
Columns: year
winner
runner_up
semi_finalists
quarter_finalists
last_16
last_32
last_64
total

Question: Which Winner has a Last 16 of £400?
SQL: SELECT "winner" FROM pdctour_results WHERE "last_16" = '£400'

Question: Which Runner-Up has a Total of £31,200?
SQL: SELECT "runner_up" FROM pdctour_results WHERE "total" = '£31,200'

Question: Which Runner-Up has a Last 16 of £300?
SQL: SELECT "runner_up" FROM pdctour_results WHERE "last_16" = '£300'

Question: Which Last 64 has a Total of £34,600?
SQL: SELECT "last_64" FROM pdctour_results WHERE "total" = '£34,600'

Question: Which Winner has Semi-Finalists of £2,000?
SQL: SELECT "winner" FROM pdctour_results WHERE "semi_finalists" = '£2,000'

Question: Which Year has a Quarter-Finalists of £1,000, and Semi-Finalists of £1,500?
SQL: SELECT "year" FROM pdctour_results WHERE "quarter_finalists" = '£1,000' AND "semi_finalists" = '£1,500'