CREATE TABLE table_70616 ("Member" TEXT, "Party" TEXT, "Electorate" TEXT, "State" TEXT, "Term in office" TEXT)

Name the term in office for liberal and state of sa for ian mclachlan
SELECT "Term in office" FROM table_70616 WHERE "Party" = 'liberal' AND "State" = 'sa' AND "Member" = 'ian mclachlan'
SELECT "Term in office" FROM "table_70616" WHERE "Member" = 'ian mclachlan' AND "Party" = 'liberal' AND "State" = 'sa'