Table: swimming_2008_womens_50m
Columns: heat
lane
name
nationality
time

Question: What lane has a time of 24.83 and a heat less than 11?
SQL: SELECT SUM("lane") FROM swimming_2008_womens_50m WHERE "time" = '24.83' AND "heat" < 11

Question: What is the total number of heat for Chinyere Pigot?
SQL: SELECT COUNT("heat") FROM swimming_2008_womens_50m WHERE "name" = 'chinyere pigot'

Question: What is the name for lane 1, from Mauritius?
SQL: SELECT "name" FROM swimming_2008_womens_50m WHERE "lane" = 1 AND "nationality" = 'mauritius'