Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_22 (partner VARCHAR, surface VARCHAR, opponents_in_the_final VARCHAR)
### Question:
Name the partner for surface of grass and opponents of jürgen melzer philipp petzschner
### Answer:
SELECT partner FROM table_name_22 WHERE surface = "grass" AND opponents_in_the_final = "jürgen melzer philipp petzschner"