Table: swimming_2000_women_100m_2
Columns: heat
lane
name
nationality
time

Question: what heat number had a time of 58.44?
SQL: SELECT COUNT("heat") FROM swimming_2000_women_100m_2 WHERE "time" = '58.44'

Question: what lane was new zealand in?
SQL: SELECT "lane" FROM swimming_2000_women_100m_2 WHERE "nationality" = 'new zealand'