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:
| Player | Years Played | Total W-L | Singles W-L | Doubles W-L |
| --- | --- | --- | --- | --- |
| Cho Soong-Jae (630) | 1 (2011) | 2–0 | 1–0 | 1–0 |
| Chung Hong (717) | 1 (2011) | 0–0 | 0–0 | 0–0 |
| Im Kyu-tae (492) | 8 (2003–2005, 2007–2011) | 6–9 | 5–7 | 1–2 |
| Jeong Suk-Young (793) | 2 (2010–2011) | 1–2 | 1–2 | 0–0 |
| Kim Hyun-Joon (908) | 2 (2010–2011) | 3–4 | 2–1 | 1–3 |
| Kim Young-Jun (474) | 4 (2003–2004, 2010–2011) | 6–4 | 6–3 | 0–1 |
| Lim Yong-Kyu (288) | 3 (2009–2011) | 7–6 | 5–6 | 2–0 |
| Seol Jae-Min (none) | 2 (2010-2011) | 2–2 | 0–0 | 2–2 |
| An Jae-Sung | 3 (2005, 2007–2008) | 4–3 | 3–2 | 1–1 |
| Bae Nam-Ju | 2 (1988, 1990) | 1–3 | 0–2 | 1–1 |
| Baek Se-Hyun | 1 (1965) | 0–1 | 0–1 | 0–0 |
| Baek Seung-Bok | 2 (2001–2002) | 0–4 | 0–3 | 0–1 |
| Chang Eui-jong | 6 (1991–1996) | 13–11 | 8–7 | 5–4 |
| Choi Boo-Kil | 4 (1974–1977) | 2–4 | 2–1 | 0–3 |
| Chung Hee-seok | 5 (2002–2006) | 14–8 | 7–3 | 7–5 |
| Chung Hee-Sung | 3 (2000, 2002–2003) | 2–3 | 0–1 | 2–2 |
| Chung Yong-Ho | 8 (1962, 1965, 1968–1969, 1971–1974) | 1–18 | 1–11 | 0–7 |
| Im Chung-Yang | 4 (1964–1967) | 2–9 | 2–5 | 0–4 |
| Jeon Chang-Dae | 3 (1979–1981) | 5–5 | 5–4 | 0–1 |
| Jeon Young-Dai | 7 (1979–1983, 1985–1986) | 14–10 | 11–4 | 3–6 |
| Ji Seung-Ho | 2 (1991–1992) | 3–3 | 2–2 | 1–1 |
| Ju Chang-Nam | 4 (1975–1978) | 4–8 | 2–5 | 2–3 |
| Jun Woong-sun | 5 (2004–2008) | 12–8 | 9–5 | 3–3 |
| Kim Bong-Soo | 7 (1984–1990) | 18–9 | 13–8 | 5–1 |
| Kim Bong-Suk | 5 (1977–1981) | 2–6 | 1–3 | 1–3 |
| Kim Chi-Wan | 4 (1992–1995) | 6–4 | 1–1 | 5–3 |
| Kim Choon-Ho | 6 (1979–1984) | 8–11 | 7–8 | 1–3 |
| Kim Dong-Hyun | 7 (1997–1999, 2001–2003, 2005) | 5–7 | 3–4 | 2–3 |
| Kim Doo-Hwan | 8 (1962–1967, 1969, 1971) | 2–15 | 2–11 | 0–4 |
| Kim Jae-Sik | 3 (1989–1990, 1992) | 5–4 | 4–2 | 1–2 |
| Kim Ke-Hwan | 1 (1960) | 0–1 | 0–0 | 0–1 |
| Kim Moon-Il | 6 (1968, 1972–1975, 1977) | 3–13 | 2–8 | 1–5 |
| Kim Nam-Hoon | 1 (1998) | 1–0 | 0–0 | 0–1 |
| Kim Sun-Yong | 2 (2005, 2007) | 3–1 | 3–1 | 0–0 |
| Kim Sung-Bae | 5 (1971–1975) | 4–8 | 4–6 | 0–2 |
| Kwon Oh-Hee | 3 (2002, 2005–2006) | 3–1 | 1–0 | 2–1 |
| Lee Ek-Son | 1 (1968) | 0–1 | 0–1 | 0–0 |
| Lee Hyung-taik | 14 (1995–2002, 2004–2009) | 51–23 | 41–9 | 10–14 |
| Lee Jeong-Min | 1 (1996) | 0–1 | 0–0 | 0–1 |
| Lee Sang-Yoon | 3 (1960, 1962–1963) | 0–8 | 0–5 | 0–3 |
| Lee Tong-Won | 1 (1962) | 0–1 | 0–1 | 0–0 |
| Lee Woo-Ryong | 2 (1981, 1983) | 1–3 | 0–3 | 1–0 |
| Lee Seung-Hoon | 2 (2000–2001) | 0–3 | 0–3 | 0–0 |
| Nam Hyun-Woo | 1 (2004) | 1–0 | 1–0 | 0–0 |
| Park Do-Sung | 1 (1963) | 0–1 | 0–0 | 0–1 |
| Roh Gap-Taik | 3 (1985–1986, 1988) | 7–1 | 7–1 | 0–0 |
| Shin Han-Cheol | 3 (1992–1994) | 3–7 | 2–7 | 1–0 |
| Song Dong-Wook | 8 (1981–1984, 1986–1989) | 13–12 | 7–7 | 6–5 |
| Song Hyeong-Keun | 1 (1999) | 0–2 | 0–2 | 0–0 |
| Suk Hyun-Jun | 1 (2005) | 0–2 | 0–2 | 0–0 |
| Um Hwa-Yong | 1 (1960) | 0–2 | 0–2 | 0–0 |
| Yoo Jin-Sun | 7 (1984–1990) | 18–11 | 8–5 | 10–6 |
| Yoon Yong-il | 9 (1993, 1995–2002) | 19–14 | 16–10 | 3–4 |
Question:
how many years did an jae-sung play?
Answer:
3