Table: w_bingyu_results
Columns: event
2006_07
2009_10
2010_11
2011_12
2012_13

Question: what is the event when 2011-12 is n/a?
SQL: SELECT "event" FROM w_bingyu_results WHERE "2011_12" = 'n/a'

Question: what is the event when 2009-10 is dnp?
SQL: SELECT "event" FROM w_bingyu_results WHERE "2009_10" = 'dnp'

Question: what is the event when 2006-07 is dnp?
SQL: SELECT "event" FROM w_bingyu_results WHERE "2006_07" = 'dnp'

Question: what is 2012-13 when 2011-12 is dnp and event is autumn gold?
SQL: SELECT "2012_13" FROM w_bingyu_results WHERE "2011_12" = 'dnp' AND "event" = 'autumn gold'

Question: what is 2012-13 when 2011-12 is dnp and 2006-07 is dnp and 2010-11 is q?
SQL: SELECT "2012_13" FROM w_bingyu_results WHERE "2011_12" = 'dnp' AND "2006_07" = 'dnp' AND "2010_11" = 'q'