Table: hazleton_hawks_stats
Columns: year
league
record
reg_season
playoffs

Question: What year had a record of 4-21?
SQL: SELECT "year" FROM hazleton_hawks_stats WHERE "record" = '4-21'

Question: What regular season had a record of 16-12?
SQL: SELECT "reg_season" FROM hazleton_hawks_stats WHERE "record" = '16-12'

Question: What is the regular season info that had a record of 20-10?
SQL: SELECT "reg_season" FROM hazleton_hawks_stats WHERE "record" = '20-10'