Table: mack_hellings_1948_race
Columns: year
start
qual
rank
finish
laps

Question: What is the highest number of laps with a 21 start?
SQL: SELECT MAX("laps") FROM mack_hellings_1948_race WHERE "start" = '21'

Question: What is the qual for rank 20?
SQL: SELECT "qual" FROM mack_hellings_1948_race WHERE "rank" = '20'

Question: What is the average number of laps in 1949?
SQL: SELECT AVG("laps") FROM mack_hellings_1948_race WHERE "year" = '1949'

Question: What is the total number of laps with a 128.260 qual?
SQL: SELECT COUNT("laps") FROM mack_hellings_1948_race WHERE "qual" = '128.260'

Question: What is the start number for a rank 11 race with less than 200 laps?
SQL: SELECT "start" FROM mack_hellings_1948_race WHERE "laps" < 200 AND "rank" = '11'