Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Champion | Runner-up | Score | Surface |
| --- | --- | --- | --- | --- |
| Professional Era | Professional Era | Professional Era | Professional Era | Professional Era |
| 1934 | Ellsworth Vines | Hans Nüsslein | 4–6, 7–5, 6–3, 8–6 r1 | Indoor |
| 1935 | Ellsworth Vines | Bill Tilden | 6–1, 6–3, 5–7, 3–6, 6–3 | Indoor |
| 1936 | Ellsworth Vines | Hans Nüsslein | 6–4, 6–4, 6–2 | Indoor |
| 1937 | Hans Nüsslein | Bill Tilden | 6–3, 3–6, 6–3, 2–6, 6–2 | Indoor |
| 1938 | Hans Nüsslein | Bill Tilden | 7–5, 3–6, 6–3, 3–6, 6–2 | Indoor |
| 1939 | Don Budge | Hans Nüsslein | 13–11, 2–6, 6–4 r2 | Indoor |
| 1940–1948 | Not Held | Not Held | Not Held | Not Held |
| 1949 | Jack Kramer | Bobby Riggs | 2–6, 6–4, 6–3, 6–4 | Indoor |
| 1950 | Pancho Gonzales | Welby Van Horn | 6–3, 6–3, 6–2 | Indoor |
| 1951 | Pancho Gonzales | Pancho Segura | 6–2, 6–2, 2–6, 6–4 | Indoor |
| 1952 | Pancho Gonzales | Jack Kramer | 3–6, 3–6, 6–2, 6–4, 7–5 | Indoor |
| 1953 | Frank Sedgman | Pancho Gonzales | 6–1, 6–2, 6–2 | Indoor |
| 1954–1955 | Not Held | Not Held | Not Held | Not Held |
| 1956 | Pancho Gonzales | Frank Sedgman | 4–6, 11–9, 11–9, 9–7 | Indoor |
| 1957 | Ken Rosewall | Pancho Segura | 1–6, 6–3, 6–4, 3–6, 6–4 | Indoor |
| 1958 | Frank Sedgman | Tony Trabert | 6–4, 6–3, 6–4 | Indoor |
| 1959 | Mal Anderson | Pancho Segura | 4–6, 6–4, 3–6, 6–3, 8–6 | Indoor |
| 1960 | Ken Rosewall | Pancho Segura | 5–7, 8–6, 6–1, 6–3 | Indoor |
| 1961 | Ken Rosewall | Lew Hoad | 6–3, 3–6, 6–2, 6–3 | Indoor |
| 1962 | Ken Rosewall | Lew Hoad | 6–4, 5–7, 15–13, 7–5 | Indoor |
| 1963 | Ken Rosewall | Lew Hoad | 6–4, 6–2, 4–6, 6–3 | Indoor |
| 1964 | Rod Laver | Ken Rosewall | 7–5, 4–6, 5–7, 8–6, 8–6 | Indoor |
| 1965 | Rod Laver | Andrés Gimeno | 6–2, 6–3, 6–4 | Indoor |
| 1966 | Rod Laver | Ken Rosewall | 6–2, 6–2, 6–3 | Indoor |
| 1967 | Rod Laver | Ken Rosewall | 2–6, 6–1, 1–6, 8–6, 6–2 | Indoor |
| Open Era | Open Era | Open Era | Open Era | Open Era |
| 1968 | Ken Rosewall | John Newcombe | 6–4, 4–6, 7–5, 6–4 | Indoor |
| 1969 | Rod Laver | Tony Roche | 6–4, 6–1, 6–3 | Indoor |
| 1970 | Rod Laver | Cliff Richey | 6–3, 6–4, 7–5 | Indoor |
| 1971 | Ilie Năstase | Rod Laver | 3–6, 6–3, 3–6, 6–4, 6–4 | Indoor |
| 1972–1975 | Not Held | Not Held | Not Held | Not Held |
| 1976 | Jimmy Connors | Roscoe Tanner | 3–6, 7–6, 6–4 | Indoor |
| 1977 | Björn Borg | John Lloyd | 6–4, 6–4, 6–3 | Indoor |
| 1978 | John McEnroe | Tim Gullikson | 6–7, 6–4, 7–6, 6–2 | Indoor |
| 1979 | John McEnroe | Harold Solomon | 6–3, 6–4, 7–5 | Indoor |
| 1980 | John McEnroe | Gene Mayer | 6–4, 6–3, 6–3 | Indoor |
| 1981 | Jimmy Connors | John McEnroe | 3–6, 2–6, 6–3, 6–4, 6–2 | Indoor |
| 1982 | John McEnroe | Brian Gottfried | 6–3, 6–2, 6–4 | Indoor |
| 1983 | John McEnroe | Jimmy Connors | 7–5, 6–1, 6–4 | Indoor |
| 1984 | Ivan Lendl | Andrés Gómez | 7–6, 6–2, 6–1 | Indoor |
| 1985 | Ivan Lendl | Boris Becker | 6–7, 6–3, 4–6, 6–4, 6–4 | Indoor |
| 1986 | Yannick Noah | Jonas Svensson | 6–2, 6–3, 6–7, 4–6, 7–5 | Indoor |
| 1987 | Ivan Lendl | Anders Järryd | 6–3, 6–2, 7–5 | Indoor |
| 1988 | Jakob Hlasek | Jonas Svensson | 6–7, 3–6, 6–4, 6–0, 7–5 | Indoor |
| 1989 | Michael Chang | Guy Forget | 6–2, 6–1, 6–1 | Indoor |
| 1990 | Jakob Hlasek | Michael Chang | 7–6, 6–3 | Indoor |
Question:
What is the surface of the match with Brian Gottfried as the runner-up?
Answer:
Indoor