user: Question: what is the height (m) when the birth date is 1968-07-01?
Columns: ['Nation', 'Birth date', 'Height (m)', 'Weight (kg)', 'World Rank']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Australia (AUS)', '1958-04-14', '1.83', '110', '9']
SQL:

assistant: SELECT "Height (m)" FROM "Table" WHERE "Birth date" = '1968-07-01';