Table: maria_lenk_swim_results
Columns: pool
age_group
time
event
date

Question: What event had a time of 6:37.73?
SQL: SELECT "event" FROM maria_lenk_swim_results WHERE "time" = '6:37.73'

Question: What is the time for the 50m breaststroke?
SQL: SELECT "time" FROM maria_lenk_swim_results WHERE "event" = '50m breaststroke'

Question: What age group has a time of 6:37.73 at the 200m breaststroke?
SQL: SELECT "age_group" FROM maria_lenk_swim_results WHERE "event" = '200m breaststroke' AND "time" = '6:37.73'

Question: What date did the 90-94 year old have a tie of 1:25.91 at the LC pool?
SQL: SELECT "date" FROM maria_lenk_swim_results WHERE "age_group" = '90-94' AND "pool" = 'lc' AND "time" = '1:25.91'